69336440431872 has 576 divisors, whose sum is σ = 197610832742400. Its totient is φ = 21536220119040.

The previous prime is 69336440431859. The next prime is 69336440431903. The reversal of 69336440431872 is 27813404463396.

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, 90164421504 + ... + 90164422272.

It is an arithmetic number, because the mean of its divisors is an integer number (343074362400).

Almost surely, 2^{69336440431872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 69336440431872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98805416371200).

69336440431872 is an abundant number, since it is smaller than the sum of its proper divisors (128274392310528).

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

69336440431872 is a wasteful number, since it uses less digits than its factorization.

69336440431872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1674 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 62705664, while the sum is 60.

The spelling of 69336440431872 in words is "sixty-nine trillion, three hundred thirty-six billion, four hundred forty million, four hundred thirty-one thousand, eight hundred seventy-two".