64622044404 has 48 divisors (see below), whose sum is σ = 168663096000. Its totient is φ = 21396107808.

The previous prime is 64622044391. The next prime is 64622044423. The reversal of 64622044404 is 40444022646.

64622044404 is a `hidden beast` number, since 6 + 4 + 6 + 2 + 204 + 440 + 4 = 666.

64622044404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1991802 + ... + 2023985.

It is an arithmetic number, because the mean of its divisors is an integer number (3513814500).

Almost surely, 2^64622044404 is an apocalyptic number.

It is an amenable number.

64622044404 is an abundant number, since it is smaller than the sum of its proper divisors (104041051596).

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

64622044404 is a wasteful number, since it uses less digits than its factorization.

64622044404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015949 (or 4015941 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 36.

The spelling of 64622044404 in words is "sixty-four billion, six hundred twenty-two million, forty-four thousand, four hundred four".