15314045640 has 64 divisors (see below), whose sum is σ = 46056850560. Its totient is φ = 4073548800.

The previous prime is 15314045629. The next prime is 15314045651. The reversal of 15314045640 is 4654041351.

It is an interprime number because it is at equal distance from previous prime (15314045629) and next prime (15314045651).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111004 + ... + 207243.

It is an arithmetic number, because the mean of its divisors is an integer number (719638290).

Almost surely, 2^15314045640 is an apocalyptic number.

15314045640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15314045640 is an abundant number, since it is smaller than the sum of its proper divisors (30742804920).

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

15314045640 is a wasteful number, since it uses less digits than its factorization.

15314045640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318662 (or 318658 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 15314045640 its reverse (4654041351), we get a palindrome (19968086991).

The spelling of 15314045640 in words is "fifteen billion, three hundred fourteen million, forty-five thousand, six hundred forty".