402150120 has 32 divisors (see below), whose sum is σ = 1206450720. Its totient is φ = 107240000.

The previous prime is 402150109. The next prime is 402150121. The reversal of 402150120 is 21051204.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 402150120.

It is not an unprimeable number, because it can be changed into a prime (402150121) 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, 1675506 + ... + 1675745.

It is an arithmetic number, because the mean of its divisors is an integer number (37701585).

Almost surely, 2^402150120 is an apocalyptic number.

402150120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402150120 is an abundant number, since it is smaller than the sum of its proper divisors (804300600).

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

402150120 is a wasteful number, since it uses less digits than its factorization.

402150120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3351265 (or 3351261 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 402150120 is about 20053.6809588664. The cubic root of 402150120 is about 738.1241262710.

The spelling of 402150120 in words is "four hundred two million, one hundred fifty thousand, one hundred twenty".