64402716000 has 384 divisors, whose sum is σ = 243062636544. Its totient is φ = 14602291200.

The previous prime is 64402715999. The next prime is 64402716011. The reversal of 64402716000 is 61720446.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10664982 + ... + 10671018.

It is an arithmetic number, because the mean of its divisors is an integer number (632975616).

Almost surely, 2^64402716000 is an apocalyptic number.

64402716000 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 64402716000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121531318272).

64402716000 is an abundant number, since it is smaller than the sum of its proper divisors (178659920544).

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

64402716000 is a wasteful number, since it uses less digits than its factorization.

64402716000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6199 (or 6181 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The spelling of 64402716000 in words is "sixty-four billion, four hundred two million, seven hundred sixteen thousand".