15722894080 has 36 divisors (see below), whose sum is σ = 37661247792. Its totient is φ = 6289157120.

The previous prime is 15722894053. The next prime is 15722894081. The reversal of 15722894080 is 8049822751.

It is a super-4 number, since 4×15722894080⁴ (a number of 42 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15722894080.

It is not an unprimeable number, because it can be changed into a prime (15722894081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6140476 + ... + 6143035.

It is an arithmetic number, because the mean of its divisors is an integer number (1046145772).

Almost surely, 2^15722894080 is an apocalyptic number.

15722894080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15722894080 is an abundant number, since it is smaller than the sum of its proper divisors (21938353712).

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

15722894080 is an equidigital number, since it uses as much as digits as its factorization.

15722894080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12283532 (or 12283518 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 15722894080 in words is "fifteen billion, seven hundred twenty-two million, eight hundred ninety-four thousand, eighty".