15424345812 has 24 divisors (see below), whose sum is σ = 36005872896. Its totient is φ = 5139201088.

The previous prime is 15424345801. The next prime is 15424345819. The reversal of 15424345812 is 21854342451.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15424345819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252228 + ... + 307355.

It is an arithmetic number, because the mean of its divisors is an integer number (1500244704).

Almost surely, 2^15424345812 is an apocalyptic number.

15424345812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

15424345812 is an abundant number, since it is smaller than the sum of its proper divisors (20581527084).

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

15424345812 is a wasteful number, since it uses less digits than its factorization.

15424345812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561887 (or 561885 counting only the distinct ones).

The product of its digits is 153600, while the sum is 39.

The spelling of 15424345812 in words is "fifteen billion, four hundred twenty-four million, three hundred forty-five thousand, eight hundred twelve".