275002011990 has 48 divisors (see below), whose sum is σ = 715157724528. Its totient is φ = 73318229568.

The previous prime is 275002011941. The next prime is 275002012001. The reversal of 275002011990 is 99110200572.

It is a super-2 number, since 2×275002011990² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101592 + ... + 748548.

It is an arithmetic number, because the mean of its divisors is an integer number (14899119261).

Almost surely, 2^275002011990 is an apocalyptic number.

275002011990 is an abundant number, since it is smaller than the sum of its proper divisors (440155712538).

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

275002011990 is a wasteful number, since it uses less digits than its factorization.

275002011990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651693 (or 651690 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 36.

The spelling of 275002011990 in words is "two hundred seventy-five billion, two million, eleven thousand, nine hundred ninety".