15272756019990 has 1024 divisors, whose sum is σ = 52421935104000. Its totient is φ = 3085223178240.

The previous prime is 15272756019967. The next prime is 15272756020007. The reversal of 15272756019990 is 9991065727251.

15272756019990 is a `hidden beast` number, since 1 + 52 + 7 + 2 + 7 + 560 + 19 + 9 + 9 + 0 = 666.

It is a super-2 number, since 2×15272756019990² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 4568576259 + ... + 4568579601.

It is an arithmetic number, because the mean of its divisors is an integer number (51193296000).

Almost surely, 2^{15272756019990} is an apocalyptic number.

15272756019990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 15272756019990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26210967552000).

15272756019990 is an abundant number, since it is smaller than the sum of its proper divisors (37149179084010).

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

15272756019990 is a wasteful number, since it uses less digits than its factorization.

15272756019990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3562 (or 3556 counting only the distinct ones).

The product of its (nonzero) digits is 21432600, while the sum is 63.

The spelling of 15272756019990 in words is "fifteen trillion, two hundred seventy-two billion, seven hundred fifty-six million, nineteen thousand, nine hundred ninety".