15406061900 has 36 divisors (see below), whose sum is σ = 33652585680. Its totient is φ = 6121608000.

The previous prime is 15406061873. The next prime is 15406061921. The reversal of 15406061900 is 916060451.

15406061900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15406061900² (a number of 21 digits) contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 495035 + ... + 525234.

Almost surely, 2^15406061900 is an apocalyptic number.

15406061900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15406061900 is an abundant number, since it is smaller than the sum of its proper divisors (18246523780).

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

15406061900 is a wasteful number, since it uses less digits than its factorization.

15406061900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020434 (or 1020427 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The spelling of 15406061900 in words is "fifteen billion, four hundred six million, sixty-one thousand, nine hundred".