64096840 has 32 divisors (see below), whose sum is σ = 148872960. Its totient is φ = 24811200.

The previous prime is 64096807. The next prime is 64096849. The reversal of 64096840 is 4869046.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 64096840.

It is not an unprimeable number, because it can be changed into a prime (64096849) 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, 24606 + ... + 27085.

It is an arithmetic number, because the mean of its divisors is an integer number (4652280).

Almost surely, 2^64096840 is an apocalyptic number.

It is an amenable number.

64096840 is an abundant number, since it is smaller than the sum of its proper divisors (84776120).

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

64096840 is a wasteful number, since it uses less digits than its factorization.

64096840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51733 (or 51729 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 64096840 is about 8006.0502121833. The cubic root of 64096840 is about 400.2016483278.

The spelling of 64096840 in words is "sixty-four million, ninety-six thousand, eight hundred forty".