275402937894 has 128 divisors (see below), whose sum is σ = 660179773440. Its totient is φ = 74886349824.

The previous prime is 275402937881. The next prime is 275402937947. The reversal of 275402937894 is 498739204572.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 243934722 + ... + 243935850.

It is an arithmetic number, because the mean of its divisors is an integer number (5157654480).

Almost surely, 2^275402937894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 275402937894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330089886720).

275402937894 is an abundant number, since it is smaller than the sum of its proper divisors (384776835546).

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

275402937894 is a wasteful number, since it uses less digits than its factorization.

275402937894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2214.

The product of its (nonzero) digits is 30481920, while the sum is 60.

The spelling of 275402937894 in words is "two hundred seventy-five billion, four hundred two million, nine hundred thirty-seven thousand, eight hundred ninety-four".