15013204540 has 24 divisors (see below), whose sum is σ = 33187084560. Its totient is φ = 5689214208.

The previous prime is 15013204537. The next prime is 15013204571. The reversal of 15013204540 is 4540231051.

It is a happy number.

It is a super-2 number, since 2×15013204540² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 19753837 + ... + 19754596.

It is an arithmetic number, because the mean of its divisors is an integer number (1382795190).

Almost surely, 2^15013204540 is an apocalyptic number.

15013204540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15013204540 is an abundant number, since it is smaller than the sum of its proper divisors (18173880020).

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

15013204540 is a wasteful number, since it uses less digits than its factorization.

15013204540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39508461 (or 39508459 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 15013204540 its reverse (4540231051), we get a palindrome (19553435591).

The spelling of 15013204540 in words is "fifteen billion, thirteen million, two hundred four thousand, five hundred forty".