15960140 has 24 divisors (see below), whose sum is σ = 38304672. Its totient is φ = 5472000.

The previous prime is 15960097. The next prime is 15960163. The reversal of 15960140 is 4106951.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56861 + ... + 57140.

It is an arithmetic number, because the mean of its divisors is an integer number (1596028).

Almost surely, 2^15960140 is an apocalyptic number.

15960140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15960140 is an abundant number, since it is smaller than the sum of its proper divisors (22344532).

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

15960140 is a wasteful number, since it uses less digits than its factorization.

15960140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114017 (or 114015 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 15960140 is about 3995.0143929653. The cubic root of 15960140 is about 251.7747840841.

The spelling of 15960140 in words is "fifteen million, nine hundred sixty thousand, one hundred forty".