64419576304 has 20 divisors (see below), whose sum is σ = 131382031240. Its totient is φ = 30514536000.

The previous prime is 64419576251. The next prime is 64419576311. The reversal of 64419576304 is 40367591446.

It is a super-2 number, since 2×64419576304² (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 3 ways as a sum of consecutive naturals, for example, 105952947 + ... + 105953554.

It is an arithmetic number, because the mean of its divisors is an integer number (6569101562).

Almost surely, 2^64419576304 is an apocalyptic number.

It is an amenable number.

64419576304 is an abundant number, since it is smaller than the sum of its proper divisors (66962454936).

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

64419576304 is a wasteful number, since it uses less digits than its factorization.

64419576304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211906528 (or 211906522 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 49.

The spelling of 64419576304 in words is "sixty-four billion, four hundred nineteen million, five hundred seventy-six thousand, three hundred four".