15938114940 has 288 divisors, whose sum is σ = 54992351232. Its totient is φ = 3701376000.

The previous prime is 15938114879. The next prime is 15938114957. The reversal of 15938114940 is 4941183951.

15938114940 is a `hidden beast` number, since 1 + 593 + 8 + 1 + 14 + 9 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6320880 + ... + 6323400.

It is an arithmetic number, because the mean of its divisors is an integer number (190945664).

Almost surely, 2^15938114940 is an apocalyptic number.

15938114940 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 15938114940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27496175616).

15938114940 is an abundant number, since it is smaller than the sum of its proper divisors (39054236292).

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

15938114940 is a wasteful number, since it uses less digits than its factorization.

15938114940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The spelling of 15938114940 in words is "fifteen billion, nine hundred thirty-eight million, one hundred fourteen thousand, nine hundred forty".