15140407020732 has 144 divisors (see below), whose sum is σ = 44539083563520. Its totient is φ = 4246890673536.

The previous prime is 15140407020727. The next prime is 15140407020799. The reversal of 15140407020732 is 23702070404151.

15140407020732 is a `hidden beast` number, since 1 + 5 + 1 + 40 + 407 + 0 + 207 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10582473 + ... + 11927679.

Almost surely, 2^{15140407020732} is an apocalyptic number.

15140407020732 is a gapful number since it is divisible by the number (12) 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 15140407020732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22269541781760).

15140407020732 is an abundant number, since it is smaller than the sum of its proper divisors (29398676542788).

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

15140407020732 is a wasteful number, since it uses less digits than its factorization.

15140407020732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346040 (or 1346035 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

Adding to 15140407020732 its reverse (23702070404151), we get a palindrome (38842477424883).

The spelling of 15140407020732 in words is "fifteen trillion, one hundred forty billion, four hundred seven million, twenty thousand, seven hundred thirty-two".