275021138790 has 48 divisors (see below), whose sum is σ = 716714122176. Its totient is φ = 73168800000.

The previous prime is 275021138789. The next prime is 275021138813. The reversal of 275021138790 is 97831120572.

275021138790 is a `hidden beast` number, since 2 + 7 + 50 + 211 + 387 + 9 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3506211 + ... + 3583790.

It is an arithmetic number, because the mean of its divisors is an integer number (14931544212).

Almost surely, 2^275021138790 is an apocalyptic number.

275021138790 is an abundant number, since it is smaller than the sum of its proper divisors (441692983386).

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

275021138790 is a wasteful number, since it uses less digits than its factorization.

275021138790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7090445 (or 7090442 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 275021138790 in words is "two hundred seventy-five billion, twenty-one million, one hundred thirty-eight thousand, seven hundred ninety".