15298988140 has 48 divisors (see below), whose sum is σ = 32619454560. Its totient is φ = 6026227200.

The previous prime is 15298988123. The next prime is 15298988191. The reversal of 15298988140 is 4188989251.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

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, 954190 + ... + 970090.

It is an arithmetic number, because the mean of its divisors is an integer number (679571970).

Almost surely, 2^15298988140 is an apocalyptic number.

15298988140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15298988140 is an abundant number, since it is smaller than the sum of its proper divisors (17320466420).

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

15298988140 is a wasteful number, since it uses less digits than its factorization.

15298988140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16642 (or 16640 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 55.

The spelling of 15298988140 in words is "fifteen billion, two hundred ninety-eight million, nine hundred eighty-eight thousand, one hundred forty".