402042466 has 16 divisors (see below), whose sum is σ = 692081280. Its totient is φ = 171587520.

The previous prime is 402042391. The next prime is 402042493. The reversal of 402042466 is 664240204.

It is a super-2 number, since 2×402042466² = 323276288934722312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56206 + ... + 62953.

It is an arithmetic number, because the mean of its divisors is an integer number (43255080).

Almost surely, 2^402042466 is an apocalyptic number.

402042466 is a deficient number, since it is larger than the sum of its proper divisors (290038814).

402042466 is a wasteful number, since it uses less digits than its factorization.

402042466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119409.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 402042466 is about 20050.9966335841. The cubic root of 402042466 is about 738.0582560878.

The spelling of 402042466 in words is "four hundred two million, forty-two thousand, four hundred sixty-six".