64008367680 has 56 divisors (see below), whose sum is σ = 203226570432. Its totient is φ = 17068897792.

The previous prime is 64008367673. The next prime is 64008367693. The reversal of 64008367680 is 8676380046.

It is a happy number.

It is a super-2 number, since 2×64008367680² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33336732 + ... + 33338651.

Almost surely, 2^64008367680 is an apocalyptic number.

64008367680 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64008367680 is an abundant number, since it is smaller than the sum of its proper divisors (139218202752).

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

64008367680 is a wasteful number, since it uses less digits than its factorization.

64008367680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66675403 (or 66675393 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 64008367680 in words is "sixty-four billion, eight million, three hundred sixty-seven thousand, six hundred eighty".