64039400562 has 8 divisors (see below), whose sum is σ = 128078801136. Its totient is φ = 21346466852.

The previous prime is 64039400531. The next prime is 64039400609. The reversal of 64039400562 is 26500493046.

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

64039400562 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 64039400562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5336616708 + ... + 5336616719.

It is an arithmetic number, because the mean of its divisors is an integer number (16009850142).

Almost surely, 2^64039400562 is an apocalyptic number.

64039400562 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

64039400562 is a wasteful number, since it uses less digits than its factorization.

64039400562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10673233432.

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 64039400562 in words is "sixty-four billion, thirty-nine million, four hundred thousand, five hundred sixty-two".