13815428000 has 96 divisors (see below), whose sum is σ = 37030488768. Its totient is φ = 5023776000.

The previous prime is 13815427987. The next prime is 13815428017. The reversal of 13815428000 is 82451831.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 15 ways as a sum of consecutive naturals, for example, 112994 + ... + 200993.

It is an arithmetic number, because the mean of its divisors is an integer number (385734258).

Almost surely, 2^13815428000 is an apocalyptic number.

13815428000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13815428000 is an abundant number, since it is smaller than the sum of its proper divisors (23215060768).

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

13815428000 is a wasteful number, since it uses less digits than its factorization.

13815428000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314023 (or 314005 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

Adding to 13815428000 its reverse (82451831), we get a palindrome (13897879831).

The spelling of 13815428000 in words is "thirteen billion, eight hundred fifteen million, four hundred twenty-eight thousand".