15420637000 has 32 divisors (see below), whose sum is σ = 36084292920. Its totient is φ = 6168254400.

The previous prime is 15420636991. The next prime is 15420637027. The reversal of 15420637000 is 73602451.

15420637000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 837176356 + 14583460644 = 28934^2 + 120762^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15420637000.

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 7 ways as a sum of consecutive naturals, for example, 7709319 + ... + 7711318.

Almost surely, 2^15420637000 is an apocalyptic number.

15420637000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15420637000 is an abundant number, since it is smaller than the sum of its proper divisors (20663655920).

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

15420637000 is a wasteful number, since it uses less digits than its factorization.

15420637000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15420658 (or 15420644 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The spelling of 15420637000 in words is "fifteen billion, four hundred twenty million, six hundred thirty-seven thousand".