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404003241022420 = 225131553858619317
BaseRepresentation
bin101101111011100000101010…
…1101010110101001111010100
31221222110022222111111211000101
41123313001111222311033110
5410423142114200204140
63551124305435223444
7151045161635112424
oct13367012552651724
91858408874454011
10404003241022420
111078008a323a396
123938a64bba7b84
131445745a949020
1471a9c0b1b0484
1531a90b88db99a
hex16f7055ab53d4

404003241022420 has 24 divisors (see below), whose sum is σ = 913668868158984. Its totient is φ = 149170427454336.

The previous prime is 404003241022399. The next prime is 404003241022441. The reversal of 404003241022420 is 24220142300404.

It is an interprime number because it is at equal distance from previous prime (404003241022399) and next prime (404003241022441).

It can be written as a sum of positive squares in 4 ways, for example, as 23173402143376 + 380829838879044 = 4813876^2 + 19514862^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 776929309399 + ... + 776929309918.

It is an arithmetic number, because the mean of its divisors is an integer number (38069536173291).

Almost surely, 2404003241022420 is an apocalyptic number.

It is an amenable number.

404003241022420 is an abundant number, since it is smaller than the sum of its proper divisors (509665627136564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404003241022420 is a wasteful number, since it uses less digits than its factorization.

404003241022420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553858619339 (or 1553858619337 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 404003241022420 its reverse (24220142300404), we get a palindrome (428223383322824).

The spelling of 404003241022420 in words is "four hundred four trillion, three billion, two hundred forty-one million, twenty-two thousand, four hundred twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1553858619317 3107717238634 6215434477268 7769293096585 15538586193170 20200162051121 31077172386340 40400324102242 80800648204484 101000810255605 202001620511210 404003241022420