272780534038320 has 640 divisors, whose sum is σ = 1240328308193280. Its totient is φ = 53347453009920.

The previous prime is 272780534038283. The next prime is 272780534038321. The reversal of 272780534038320 is 23830435087272.

272780534038320 is a `hidden beast` number, since 2 + 7 + 2 + 7 + 8 + 0 + 534 + 0 + 3 + 83 + 20 = 666.

It is a super-2 number, since 2×272780534038320² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (272780534038321) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 45410637 + ... + 51065516.

It is an arithmetic number, because the mean of its divisors is an integer number (1938012981552).

Almost surely, 2^{272780534038320} is an apocalyptic number.

272780534038320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

272780534038320 is an abundant number, since it is smaller than the sum of its proper divisors (967547774154960).

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

272780534038320 is a wasteful number, since it uses less digits than its factorization.

272780534038320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96476210 (or 96476198 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 54.

The spelling of 272780534038320 in words is "two hundred seventy-two trillion, seven hundred eighty billion, five hundred thirty-four million, thirty-eight thousand, three hundred twenty".