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404404031002401 = 3379189594013597
BaseRepresentation
bin101101111110011011010011…
…0100111010001011100100001
31222000212122111020120022211000
41123330312212213101130201
5411001223423414034101
63552032351435342213
7151116140611535163
oct13374664647213441
91860778436508730
10404404031002401
11107945871789401
12394342638b1969
13144861a0b3c531
1471c138c250933
1531b472482d486
hex16fcda69d1721

404404031002401 has 16 divisors (see below), whose sum is σ = 606700843513600. Its totient is φ = 266189995088784.

The previous prime is 404404031002373. The next prime is 404404031002423. The reversal of 404404031002401 is 104200130404404.

404404031002401 is a `hidden beast` number, since 4 + 0 + 4 + 4 + 0 + 403 + 10 + 0 + 240 + 1 = 666.

It is not a de Polignac number, because 404404031002401 - 25 = 404404031002369 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404404031002901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94797004666 + ... + 94797008931.

It is an arithmetic number, because the mean of its divisors is an integer number (37918802719600).

Almost surely, 2404404031002401 is an apocalyptic number.

It is an amenable number.

404404031002401 is a deficient number, since it is larger than the sum of its proper divisors (202296812511199).

404404031002401 is a wasteful number, since it uses less digits than its factorization.

404404031002401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189594013685 (or 189594013679 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 404404031002401 its reverse (104200130404404), we get a palindrome (508604161406805).

The spelling of 404404031002401 in words is "four hundred four trillion, four hundred four billion, thirty-one million, two thousand, four hundred one".

Divisors: 1 3 9 27 79 237 711 2133 189594013597 568782040791 1706346122373 5119038367119 14977927074163 44933781222489 134801343667467 404404031002401