402802508850 has 48 divisors (see below), whose sum is σ = 1141657399488. Its totient is φ = 92069144640.

The previous prime is 402802508833. The next prime is 402802508873. The reversal of 402802508850 is 58805208204.

It is a super-2 number, since 2×402802508850² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 191809669 + ... + 191811768.

It is an arithmetic number, because the mean of its divisors is an integer number (23784529156).

Almost surely, 2^402802508850 is an apocalyptic number.

402802508850 is an abundant number, since it is smaller than the sum of its proper divisors (738854890638).

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

402802508850 is a wasteful number, since it uses less digits than its factorization.

402802508850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383621459 (or 383621454 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 42.

The spelling of 402802508850 in words is "four hundred two billion, eight hundred two million, five hundred eight thousand, eight hundred fifty".