15413940 has 72 divisors (see below), whose sum is σ = 49227360. Its totient is φ = 3893184.

The previous prime is 15413939. The next prime is 15413971. The reversal of 15413940 is 4931451.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1167 + ... + 5673.

Almost surely, 2^15413940 is an apocalyptic number.

15413940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15413940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24613680).

15413940 is an abundant number, since it is smaller than the sum of its proper divisors (33813420).

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

15413940 is a wasteful number, since it uses less digits than its factorization.

15413940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4541 (or 4536 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 15413940 is about 3926.0590927799. The cubic root of 15413940 is about 248.8692399041.

The spelling of 15413940 in words is "fifteen million, four hundred thirteen thousand, nine hundred forty".