15345299940 has 96 divisors (see below), whose sum is σ = 43394534400. Its totient is φ = 4051555200.

The previous prime is 15345299939. The next prime is 15345299947. The reversal of 15345299940 is 4999254351.

15345299940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (15345299947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2516295 + ... + 2522385.

It is an arithmetic number, because the mean of its divisors is an integer number (452026400).

Almost surely, 2^15345299940 is an apocalyptic number.

15345299940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15345299940 is an abundant number, since it is smaller than the sum of its proper divisors (28049234460).

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

15345299940 is a wasteful number, since it uses less digits than its factorization.

15345299940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513 (or 6511 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 15345299940 in words is "fifteen billion, three hundred forty-five million, two hundred ninety-nine thousand, nine hundred forty".