64459962396 has 72 divisors (see below), whose sum is σ = 169593649680. Its totient is φ = 20618406144.

The previous prime is 64459962383. The next prime is 64459962421. The reversal of 64459962396 is 69326995446.

64459962396 is a `hidden beast` number, since 6 + 4 + 4 + 599 + 6 + 2 + 39 + 6 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19225 + ... + 359568.

Almost surely, 2^64459962396 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 64459962396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84796824840).

64459962396 is an abundant number, since it is smaller than the sum of its proper divisors (105133687284).

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

64459962396 is a wasteful number, since it uses less digits than its factorization.

64459962396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378995 (or 378990 counting only the distinct ones).

The product of its digits is 75582720, while the sum is 63.

The spelling of 64459962396 in words is "sixty-four billion, four hundred fifty-nine million, nine hundred sixty-two thousand, three hundred ninety-six".