666240200402 has 16 divisors (see below), whose sum is σ = 1143798293952. Its totient is φ = 285113455440.

The previous prime is 666240200341. The next prime is 666240200419. The reversal of 666240200402 is 204002042666.

666240200402 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 34828349 + ... + 34847472.

It is an arithmetic number, because the mean of its divisors is an integer number (71487393372).

Almost surely, 2^666240200402 is an apocalyptic number.

666240200402 is a deficient number, since it is larger than the sum of its proper divisors (477558093550).

666240200402 is a wasteful number, since it uses less digits than its factorization.

666240200402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69676513.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 666240200402 in words is "six hundred sixty-six billion, two hundred forty million, two hundred thousand, four hundred two".