15488713940 has 96 divisors (see below), whose sum is σ = 39534324480. Its totient is φ = 4975847424.

The previous prime is 15488713931. The next prime is 15488713963. The reversal of 15488713940 is 4931788451.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 525926 + ... + 554594.

It is an arithmetic number, because the mean of its divisors is an integer number (411815880).

Almost surely, 2^15488713940 is an apocalyptic number.

15488713940 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 15488713940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19767162240).

15488713940 is an abundant number, since it is smaller than the sum of its proper divisors (24045610540).

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

15488713940 is a wasteful number, since it uses less digits than its factorization.

15488713940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28929 (or 28927 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 50.

The spelling of 15488713940 in words is "fifteen billion, four hundred eighty-eight million, seven hundred thirteen thousand, nine hundred forty".