402765132 has 48 divisors (see below), whose sum is σ = 1171683072. Its totient is φ = 104614080.

The previous prime is 402765119. The next prime is 402765161. The reversal of 402765132 is 231567204.

It is a self number, because there is not a number n which added to its sum of digits gives 402765132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 217023 + ... + 218870.

It is an arithmetic number, because the mean of its divisors is an integer number (24410064).

Almost surely, 2^402765132 is an apocalyptic number.

402765132 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

402765132 is an abundant number, since it is smaller than the sum of its proper divisors (768917940).

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

402765132 is a wasteful number, since it uses less digits than its factorization.

402765132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435918 (or 435916 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 402765132 is about 20069.0092431091. The cubic root of 402765132 is about 738.5002080345.

The spelling of 402765132 in words is "four hundred two million, seven hundred sixty-five thousand, one hundred thirty-two".