402563040 has 96 divisors (see below), whose sum is σ = 1383371136. Its totient is φ = 97589760.

The previous prime is 402563039. The next prime is 402563053. The reversal of 402563040 is 40365204.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 402563040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32842 + ... + 43401.

It is an arithmetic number, because the mean of its divisors is an integer number (14410116).

Almost surely, 2^402563040 is an apocalyptic number.

402563040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402563040 is an abundant number, since it is smaller than the sum of its proper divisors (980808096).

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

402563040 is a wasteful number, since it uses less digits than its factorization.

402563040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76272 (or 76264 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 402563040 is about 20063.9736841933. The cubic root of 402563040 is about 738.3766704018.

The spelling of 402563040 in words is "four hundred two million, five hundred sixty-three thousand, forty".