662006440 has 32 divisors (see below), whose sum is σ = 1497852000. Its totient is φ = 263320384.

The previous prime is 662006399. The next prime is 662006453. The reversal of 662006440 is 44600266.

It is a junction number, because it is equal to n+sod(n) for n = 662006399 and 662006408.

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, 39070 + ... + 53389.

It is an arithmetic number, because the mean of its divisors is an integer number (46807875).

Almost surely, 2^662006440 is an apocalyptic number.

It is an amenable number.

662006440 is an abundant number, since it is smaller than the sum of its proper divisors (835845560).

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

662006440 is a wasteful number, since it uses less digits than its factorization.

662006440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92649 (or 92645 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 662006440 is about 25729.4858090868. The cubic root of 662006440 is about 871.5401616993.

The spelling of 662006440 in words is "six hundred sixty-two million, six thousand, four hundred forty".