15460493540 has 12 divisors (see below), whose sum is σ = 32467036476. Its totient is φ = 6184197408.

The previous prime is 15460493509. The next prime is 15460493567. The reversal of 15460493540 is 4539406451.

It can be written as a sum of positive squares in 2 ways, for example, as 6589867684 + 8870625856 = 81178^2 + 94184^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386512319 + ... + 386512358.

It is an arithmetic number, because the mean of its divisors is an integer number (2705586373).

Almost surely, 2^15460493540 is an apocalyptic number.

15460493540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15460493540 is an abundant number, since it is smaller than the sum of its proper divisors (17006542936).

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

15460493540 is a wasteful number, since it uses less digits than its factorization.

15460493540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 773024686 (or 773024684 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 41.

Adding to 15460493540 its reverse (4539406451), we get a palindrome (19999899991).

The spelling of 15460493540 in words is "fifteen billion, four hundred sixty million, four hundred ninety-three thousand, five hundred forty".