15124304140 has 24 divisors (see below), whose sum is σ = 34648406352. Its totient is φ = 5499746880.

The previous prime is 15124304123. The next prime is 15124304207. The reversal of 15124304140 is 4140342151.

It is a super-2 number, since 2×15124304140² (a number of 21 digits) contains 22 as substring.

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, 34373199 + ... + 34373638.

It is an arithmetic number, because the mean of its divisors is an integer number (1443683598).

Almost surely, 2^15124304140 is an apocalyptic number.

15124304140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15124304140 is an abundant number, since it is smaller than the sum of its proper divisors (19524102212).

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

15124304140 is a wasteful number, since it uses less digits than its factorization.

15124304140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68746857 (or 68746855 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 15124304140 its reverse (4140342151), we get a palindrome (19264646291).

The spelling of 15124304140 in words is "fifteen billion, one hundred twenty-four million, three hundred four thousand, one hundred forty".