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404010325444420 = 2251953107271691799
BaseRepresentation
bin101101111011100011111101…
…1111011110000011101000100
31221222111000021020002202000101
41123313013323323300131010
5410423301121303210140
63551131440431053444
7151045532330523112
oct13367077373603504
91858430236082011
10404010325444420
111078038a9205502
123938baa8671284
131445801959ccc6
1471aa2c0024ab2
1531a938082e99a
hex16f71fbef0744

404010325444420 has 192 divisors, whose sum is σ = 921820290048000. Its totient is φ = 148256849594880.

The previous prime is 404010325444403. The next prime is 404010325444441. The reversal of 404010325444420 is 24444523010404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 404010325444420.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 583653681 + ... + 584345479.

It is an arithmetic number, because the mean of its divisors is an integer number (4801147344000).

Almost surely, 2404010325444420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404010325444420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (460910145024000).

404010325444420 is an abundant number, since it is smaller than the sum of its proper divisors (517809964603580).

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

404010325444420 is a wasteful number, since it uses less digits than its factorization.

404010325444420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692258 (or 692256 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 404010325444420 its reverse (24444523010404), we get a palindrome (428454848454824).

The spelling of 404010325444420 in words is "four hundred four trillion, ten billion, three hundred twenty-five million, four hundred forty-four thousand, four hundred twenty".