64227881124 has 576 divisors, whose sum is σ = 202007070720. Its totient is φ = 17635968000.

The previous prime is 64227881111. The next prime is 64227881153. The reversal of 64227881124 is 42118872246.

64227881124 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 64227881124.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 879833952 + ... + 879834024.

It is an arithmetic number, because the mean of its divisors is an integer number (350706720).

Almost surely, 2^64227881124 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 64227881124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101003535360).

64227881124 is an abundant number, since it is smaller than the sum of its proper divisors (137779189596).

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

64227881124 is a wasteful number, since it uses less digits than its factorization.

64227881124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 240 counting only the distinct ones).

The product of its digits is 344064, while the sum is 45.

The spelling of 64227881124 in words is "sixty-four billion, two hundred twenty-seven million, eight hundred eighty-one thousand, one hundred twenty-four".