64379308032 has 672 divisors, whose sum is σ = 216558800640. Its totient is φ = 18990858240.

The previous prime is 64379308003. The next prime is 64379308039. The reversal of 64379308032 is 23080397346.

It is not an unprimeable number, because it can be changed into a prime (64379308039) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 601675723 + ... + 601675829.

It is an arithmetic number, because the mean of its divisors is an integer number (322260120).

Almost surely, 2^64379308032 is an apocalyptic number.

64379308032 is a gapful number since it is divisible by the number (62) 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 64379308032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108279400320).

64379308032 is an abundant number, since it is smaller than the sum of its proper divisors (152179492608).

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

64379308032 is a wasteful number, since it uses less digits than its factorization.

64379308032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 45.

The spelling of 64379308032 in words is "sixty-four billion, three hundred seventy-nine million, three hundred eight thousand, thirty-two".