402061464 has 72 divisors (see below), whose sum is σ = 1266709860. Its totient is φ = 114873696.

The previous prime is 402061409. The next prime is 402061487. The reversal of 402061464 is 464160204.

402061464 is a `hidden beast` number, since 40 + 2 + 0 + 614 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 53454 + ... + 60509.

Almost surely, 2^402061464 is an apocalyptic number.

It is an amenable number.

402061464 is an abundant number, since it is smaller than the sum of its proper divisors (864648396).

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

402061464 is a wasteful number, since it uses less digits than its factorization.

402061464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113989 (or 113975 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 402061464 is about 20051.4703700252. The cubic root of 402061464 is about 738.0698812361.

The spelling of 402061464 in words is "four hundred two million, sixty-one thousand, four hundred sixty-four".