402125776 has 40 divisors (see below), whose sum is σ = 840274344. Its totient is φ = 185326080.

The previous prime is 402125639. The next prime is 402125777. The reversal of 402125776 is 677521204.

It can be written as a sum of positive squares in 4 ways, for example, as 7706176 + 394419600 = 2776^2 + 19860^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402125777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244830 + ... + 246466.

Almost surely, 2^402125776 is an apocalyptic number.

It is an amenable number.

402125776 is an abundant number, since it is smaller than the sum of its proper divisors (438148568).

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

402125776 is a wasteful number, since it uses less digits than its factorization.

402125776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839 (or 2833 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 402125776 is about 20053.0739788193. The cubic root of 402125776 is about 738.1092319522.

The spelling of 402125776 in words is "four hundred two million, one hundred twenty-five thousand, seven hundred seventy-six".