15891733340 has 24 divisors (see below), whose sum is σ = 38140160352. Its totient is φ = 5448594240.

The previous prime is 15891733223. The next prime is 15891733387. The reversal of 15891733340 is 4333719851.

It is a junction number, because it is equal to n+sod(n) for n = 15891733291 and 15891733300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56756051 + ... + 56756330.

It is an arithmetic number, because the mean of its divisors is an integer number (1589173348).

Almost surely, 2^15891733340 is an apocalyptic number.

15891733340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15891733340 is an abundant number, since it is smaller than the sum of its proper divisors (22248427012).

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

15891733340 is a wasteful number, since it uses less digits than its factorization.

15891733340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113512397 (or 113512395 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 15891733340 in words is "fifteen billion, eight hundred ninety-one million, seven hundred thirty-three thousand, three hundred forty".