64352632620 has 48 divisors (see below), whose sum is σ = 181483706880. Its totient is φ = 17037241536.

The previous prime is 64352632607. The next prime is 64352632657. The reversal of 64352632620 is 2623625346.

It is a super-2 number, since 2×64352632620² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3849732 + ... + 3866411.

It is an arithmetic number, because the mean of its divisors is an integer number (3780910560).

Almost surely, 2^64352632620 is an apocalyptic number.

64352632620 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64352632620 is an abundant number, since it is smaller than the sum of its proper divisors (117131074260).

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

64352632620 is a wasteful number, since it uses less digits than its factorization.

64352632620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716294 (or 7716292 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 64352632620 in words is "sixty-four billion, three hundred fifty-two million, six hundred thirty-two thousand, six hundred twenty".