275081224440 has 128 divisors (see below), whose sum is σ = 901737100800. Its totient is φ = 66577374720.

The previous prime is 275081224391. The next prime is 275081224471. The reversal of 275081224440 is 44422180572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 639181 + ... + 979139.

It is an arithmetic number, because the mean of its divisors is an integer number (7044821100).

Almost surely, 2^275081224440 is an apocalyptic number.

275081224440 is a gapful number since it is divisible by the number (20) 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 275081224440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450868550400).

275081224440 is an abundant number, since it is smaller than the sum of its proper divisors (626655876360).

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

275081224440 is a wasteful number, since it uses less digits than its factorization.

275081224440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340597 (or 340593 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 39.

The spelling of 275081224440 in words is "two hundred seventy-five billion, eighty-one million, two hundred twenty-four thousand, four hundred forty".