64356374982720 has 224 divisors, whose sum is σ = 207299027859840. Its totient is φ = 16913469358080.

The previous prime is 64356374982709. The next prime is 64356374982811. The reversal of 64356374982720 is 2728947365346.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31601730 + ... + 33576510.

It is an arithmetic number, because the mean of its divisors is an integer number (925442088660).

Almost surely, 2^{64356374982720} is an apocalyptic number.

64356374982720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64356374982720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103649513929920).

64356374982720 is an abundant number, since it is smaller than the sum of its proper divisors (142942652877120).

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

64356374982720 is a wasteful number, since it uses less digits than its factorization.

64356374982720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975293 (or 1975283 counting only the distinct ones).

The product of its (nonzero) digits is 365783040, while the sum is 66.

The spelling of 64356374982720 in words is "sixty-four trillion, three hundred fifty-six billion, three hundred seventy-four million, nine hundred eighty-two thousand, seven hundred twenty".