402065466 has 32 divisors (see below), whose sum is σ = 885297600. Its totient is φ = 120718080.

The previous prime is 402065431. The next prime is 402065467. The reversal of 402065466 is 664560204.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (402065467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20751 + ... + 35138.

It is an arithmetic number, because the mean of its divisors is an integer number (27665550).

Almost surely, 2^402065466 is an apocalyptic number.

402065466 is an abundant number, since it is smaller than the sum of its proper divisors (483232134).

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

402065466 is a wasteful number, since it uses less digits than its factorization.

402065466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56014.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 402065466 is about 20051.5701629573. The cubic root of 402065466 is about 738.0723300705.

The spelling of 402065466 in words is "four hundred two million, sixty-five thousand, four hundred sixty-six".