275840430894 has 48 divisors (see below), whose sum is σ = 683070242400. Its totient is φ = 78807306240.

The previous prime is 275840430881. The next prime is 275840430911. The reversal of 275840430894 is 498034048572.

275840430894 is a `hidden beast` number, since 27 + 584 + 0 + 4 + 30 + 8 + 9 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 275840430894.

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, 2860782 + ... + 2955630.

It is an arithmetic number, because the mean of its divisors is an integer number (14230630050).

Almost surely, 2^275840430894 is an apocalyptic number.

275840430894 is an abundant number, since it is smaller than the sum of its proper divisors (407229811506).

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

275840430894 is a wasteful number, since it uses less digits than its factorization.

275840430894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117945 (or 117942 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 54.

The spelling of 275840430894 in words is "two hundred seventy-five billion, eight hundred forty million, four hundred thirty thousand, eight hundred ninety-four".