402204761556 has 96 divisors (see below), whose sum is σ = 1014028823808. Its totient is φ = 123344532480.

The previous prime is 402204761531. The next prime is 402204761573. The reversal of 402204761556 is 655167402204.

It is a super-2 number, since 2×402204761556² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67244086 + ... + 67250066.

It is an arithmetic number, because the mean of its divisors is an integer number (10562800248).

Almost surely, 2^402204761556 is an apocalyptic number.

It is an amenable number.

402204761556 is an abundant number, since it is smaller than the sum of its proper divisors (611824062252).

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

402204761556 is a wasteful number, since it uses less digits than its factorization.

402204761556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7361 (or 7359 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 402204761556 in words is "four hundred two billion, two hundred four million, seven hundred sixty-one thousand, five hundred fifty-six".