15479446752 has 864 divisors, whose sum is σ = 60232273920. Its totient is φ = 3679948800.

The previous prime is 15479446739. The next prime is 15479446771. The reversal of 15479446752 is 25764497451.

15479446752 is a `hidden beast` number, since 1 + 5 + 47 + 94 + 467 + 52 = 666.

15479446752 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15479446752² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 173926324 + ... + 173926412.

It is an arithmetic number, because the mean of its divisors is an integer number (69713280).

Almost surely, 2^15479446752 is an apocalyptic number.

15479446752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15479446752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30116136960).

15479446752 is an abundant number, since it is smaller than the sum of its proper divisors (44752827168).

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

15479446752 is a wasteful number, since it uses less digits than its factorization.

15479446752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 166 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 15479446752 in words is "fifteen billion, four hundred seventy-nine million, four hundred forty-six thousand, seven hundred fifty-two".