273555890560 has 32 divisors (see below), whose sum is σ = 653969552400. Its totient is φ = 109422355968.

The previous prime is 273555890537. The next prime is 273555890561. The reversal of 273555890560 is 65098555372.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×273555890560² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273555890561) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 213714900 + ... + 213716179.

Almost surely, 2^273555890560 is an apocalyptic number.

273555890560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

273555890560 is an abundant number, since it is smaller than the sum of its proper divisors (380413661840).

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

273555890560 is an equidigital number, since it uses as much as digits as its factorization.

273555890560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427431098 (or 427431086 counting only the distinct ones).

The product of its (nonzero) digits is 11340000, while the sum is 55.

The spelling of 273555890560 in words is "two hundred seventy-three billion, five hundred fifty-five million, eight hundred ninety thousand, five hundred sixty".