64123376224 has 48 divisors (see below), whose sum is σ = 128070948096. Its totient is φ = 31597776000.

The previous prime is 64123376209. The next prime is 64123376237. The reversal of 64123376224 is 42267332146.

It is a super-2 number, since 2×64123376224² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9200389 + ... + 9207355.

It is an arithmetic number, because the mean of its divisors is an integer number (2668144752).

Almost surely, 2^64123376224 is an apocalyptic number.

It is an amenable number.

64123376224 is a deficient number, since it is larger than the sum of its proper divisors (63947571872).

64123376224 is a wasteful number, since it uses less digits than its factorization.

64123376224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11099 (or 11091 counting only the distinct ones).

The product of its digits is 290304, while the sum is 40.

The spelling of 64123376224 in words is "sixty-four billion, one hundred twenty-three million, three hundred seventy-six thousand, two hundred twenty-four".