15421374200 has 24 divisors (see below), whose sum is σ = 35854695480. Its totient is φ = 6168549600.

The previous prime is 15421374197. The next prime is 15421374211. The reversal of 15421374200 is 247312451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 38553236 + ... + 38553635.

It is an arithmetic number, because the mean of its divisors is an integer number (1493945645).

Almost surely, 2^15421374200 is an apocalyptic number.

15421374200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15421374200 is an abundant number, since it is smaller than the sum of its proper divisors (20433321280).

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

15421374200 is a wasteful number, since it uses less digits than its factorization.

15421374200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77106887 (or 77106878 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 15421374200 its reverse (247312451), we get a palindrome (15668686651).

The spelling of 15421374200 in words is "fifteen billion, four hundred twenty-one million, three hundred seventy-four thousand, two hundred".