15104406540 has 24 divisors (see below), whose sum is σ = 42292338480. Its totient is φ = 4027841728.

The previous prime is 15104406539. The next prime is 15104406563. The reversal of 15104406540 is 4560440151.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 15104406498 and 15104406507.

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, 125869995 + ... + 125870114.

It is an arithmetic number, because the mean of its divisors is an integer number (1762180770).

Almost surely, 2^15104406540 is an apocalyptic number.

15104406540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15104406540 is an abundant number, since it is smaller than the sum of its proper divisors (27187931940).

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

15104406540 is a wasteful number, since it uses less digits than its factorization.

15104406540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251740121 (or 251740119 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

Adding to 15104406540 its reverse (4560440151), we get a palindrome (19664846691).

The spelling of 15104406540 in words is "fifteen billion, one hundred four million, four hundred six thousand, five hundred forty".