662064040 has 32 divisors (see below), whose sum is σ = 1625067360. Its totient is φ = 240750400.

The previous prime is 662064037. The next prime is 662064047. The reversal of 662064040 is 40460266.

It is a super-2 number, since 2×662064040² = 876657586122243200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (662064047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751906 + ... + 752785.

It is an arithmetic number, because the mean of its divisors is an integer number (50783355).

Almost surely, 2^662064040 is an apocalyptic number.

It is an amenable number.

662064040 is an abundant number, since it is smaller than the sum of its proper divisors (963003320).

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

662064040 is a wasteful number, since it uses less digits than its factorization.

662064040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1504713 (or 1504709 counting only the distinct ones).

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

The square root of 662064040 is about 25730.6051230825. The cubic root of 662064040 is about 871.5654380181.

The spelling of 662064040 in words is "six hundred sixty-two million, sixty-four thousand, forty".