402645112 has 32 divisors (see below), whose sum is σ = 820339200. Its totient is φ = 184572000.

The previous prime is 402645101. The next prime is 402645121. The reversal of 402645112 is 211546204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38014 + ... + 47437.

It is an arithmetic number, because the mean of its divisors is an integer number (25635600).

Almost surely, 2^402645112 is an apocalyptic number.

It is an amenable number.

402645112 is an abundant number, since it is smaller than the sum of its proper divisors (417694088).

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

402645112 is a wasteful number, since it uses less digits than its factorization.

402645112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85507 (or 85503 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 402645112 is about 20066.0188378263. The cubic root of 402645112 is about 738.4268455100.

The spelling of 402645112 in words is "four hundred two million, six hundred forty-five thousand, one hundred twelve".