15536042380 has 24 divisors (see below), whose sum is σ = 32628708000. Its totient is φ = 6213841920.

The previous prime is 15536042377. The next prime is 15536042381. The reversal of 15536042380 is 8324063551.

It is a super-2 number, since 2×15536042380² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (15536042381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235665 + ... + 294295.

It is an arithmetic number, because the mean of its divisors is an integer number (1359529500).

Almost surely, 2^15536042380 is an apocalyptic number.

15536042380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15536042380 is an abundant number, since it is smaller than the sum of its proper divisors (17092665620).

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

15536042380 is a wasteful number, since it uses less digits than its factorization.

15536042380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71889 (or 71887 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 15536042380 in words is "fifteen billion, five hundred thirty-six million, forty-two thousand, three hundred eighty".