15324673812 has 96 divisors (see below), whose sum is σ = 43306341120. Its totient is φ = 4124359680.

The previous prime is 15324673807. The next prime is 15324673843. The reversal of 15324673812 is 21837642351.

It is a super-2 number, since 2×15324673812² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23158 + ... + 176594.

It is an arithmetic number, because the mean of its divisors is an integer number (451107720).

Almost surely, 2^15324673812 is an apocalyptic number.

15324673812 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 15324673812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21653170560).

15324673812 is an abundant number, since it is smaller than the sum of its proper divisors (27981667308).

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

15324673812 is a wasteful number, since it uses less digits than its factorization.

15324673812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153521 (or 153519 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The spelling of 15324673812 in words is "fifteen billion, three hundred twenty-four million, six hundred seventy-three thousand, eight hundred twelve".