64140200 has 48 divisors (see below), whose sum is σ = 156984000. Its totient is φ = 24304320.

The previous prime is 64140173. The next prime is 64140211. The reversal of 64140200 is 204146.

It is a super-2 number, since 2×64140200² = 8227930512080000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4640 + ... + 12239.

It is an arithmetic number, because the mean of its divisors is an integer number (3270500).

Almost surely, 2^64140200 is an apocalyptic number.

It is an amenable number.

64140200 is an abundant number, since it is smaller than the sum of its proper divisors (92843800).

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

64140200 is a wasteful number, since it uses less digits than its factorization.

64140200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16914 (or 16905 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 64140200 is about 8008.7577064112. The cubic root of 64140200 is about 400.2918703108.

Adding to 64140200 its reverse (204146), we get a palindrome (64344346).

The spelling of 64140200 in words is "sixty-four million, one hundred forty thousand, two hundred".