402014980 has 24 divisors (see below), whose sum is σ = 893892888. Its totient is φ = 151346688.

The previous prime is 402014971. The next prime is 402014981. The reversal of 402014980 is 89410204.

It can be written as a sum of positive squares in 4 ways, for example, as 25887744 + 376127236 = 5088^2 + 19394^2 .

It is not an unprimeable number, because it can be changed into a prime (402014981) 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, 590859 + ... + 591538.

It is an arithmetic number, because the mean of its divisors is an integer number (37245537).

Almost surely, 2^402014980 is an apocalyptic number.

It is an amenable number.

402014980 is an abundant number, since it is smaller than the sum of its proper divisors (491877908).

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

402014980 is a wasteful number, since it uses less digits than its factorization.

402014980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182423 (or 1182421 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 402014980 is about 20050.3112195297. The cubic root of 402014980 is about 738.0414363624.

The spelling of 402014980 in words is "four hundred two million, fourteen thousand, nine hundred eighty".