15422996064 has 48 divisors (see below), whose sum is σ = 46268990208. Its totient is φ = 4406570112.

The previous prime is 15422996053. The next prime is 15422996101. The reversal of 15422996064 is 46069922451.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 11474772 + ... + 11476115.

It is an arithmetic number, because the mean of its divisors is an integer number (963937296).

Almost surely, 2^15422996064 is an apocalyptic number.

15422996064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

15422996064 is an abundant number, since it is smaller than the sum of its proper divisors (30845994144).

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

15422996064 is a wasteful number, since it uses less digits than its factorization.

15422996064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22950907 (or 22950899 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 15422996064 in words is "fifteen billion, four hundred twenty-two million, nine hundred ninety-six thousand, sixty-four".