42775221284275 has 24 divisors (see below), whose sum is σ = 53475978880800. Its totient is φ = 33940807464960.

The previous prime is 42775221284231. The next prime is 42775221284329. The reversal of 42775221284275 is 57248212257724.

It is not a de Polignac number, because 42775221284275 - 2²¹ = 42775219187123 is a prime.

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, 11984494 + ... + 15138643.

It is an arithmetic number, because the mean of its divisors is an integer number (2228165786700).

Almost surely, 2^{42775221284275} is an apocalyptic number.

42775221284275 is a deficient number, since it is larger than the sum of its proper divisors (10700757596525).

42775221284275 is a wasteful number, since it uses less digits than its factorization.

42775221284275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27123663 (or 27123658 counting only the distinct ones).

The product of its digits is 35123200, while the sum is 58.

The spelling of 42775221284275 in words is "forty-two trillion, seven hundred seventy-five billion, two hundred twenty-one million, two hundred eighty-four thousand, two hundred seventy-five".