402155224536 has 32 divisors (see below), whose sum is σ = 1082725605360. Its totient is φ = 123740068992.

The previous prime is 402155224447. The next prime is 402155224553. The reversal of 402155224536 is 635422551204.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 402155224494 and 402155224503.

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, 644479215 + ... + 644479838.

Almost surely, 2^402155224536 is an apocalyptic number.

It is an amenable number.

402155224536 is an abundant number, since it is smaller than the sum of its proper divisors (680570380824).

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

402155224536 is a wasteful number, since it uses less digits than its factorization.

402155224536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1288959075 (or 1288959071 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

The spelling of 402155224536 in words is "four hundred two billion, one hundred fifty-five million, two hundred twenty-four thousand, five hundred thirty-six".