15542829420 has 24 divisors (see below), whose sum is σ = 43519922544. Its totient is φ = 4144754496.

The previous prime is 15542829397. The next prime is 15542829457. The reversal of 15542829420 is 2492824551.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129523519 + ... + 129523638.

It is an arithmetic number, because the mean of its divisors is an integer number (1813330106).

Almost surely, 2^15542829420 is an apocalyptic number.

15542829420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15542829420 is an abundant number, since it is smaller than the sum of its proper divisors (27977093124).

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

15542829420 is a wasteful number, since it uses less digits than its factorization.

15542829420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259047169 (or 259047167 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 15542829420 in words is "fifteen billion, five hundred forty-two million, eight hundred twenty-nine thousand, four hundred twenty".