902440666 has 8 divisors (see below), whose sum is σ = 1354992480. Its totient is φ = 450776508.

The previous prime is 902440639. The next prime is 902440697. The reversal of 902440666 is 666044209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219366 + ... + 223441.

It is an arithmetic number, because the mean of its divisors is an integer number (169374060).

Almost surely, 2^902440666 is an apocalyptic number.

902440666 is a deficient number, since it is larger than the sum of its proper divisors (452551814).

902440666 is a wasteful number, since it uses less digits than its factorization.

902440666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443828.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 902440666 is about 30040.6502259855. The cubic root of 902440666 is about 966.3613513521.

The spelling of 902440666 in words is "nine hundred two million, four hundred forty thousand, six hundred sixty-six".