42266790274891 has 24 divisors (see below), whose sum is σ = 52331273938944. Its totient is φ = 33426012353760.

The previous prime is 42266790274873. The next prime is 42266790274897. The reversal of 42266790274891 is 19847209766224.

It is not a de Polignac number, because 42266790274891 - 2⁵ = 42266790274859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42266790274897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5965141 + ... + 10959766.

It is an arithmetic number, because the mean of its divisors is an integer number (2180469747456).

Almost surely, 2^{42266790274891} is an apocalyptic number.

42266790274891 is a deficient number, since it is larger than the sum of its proper divisors (10064483664053).

42266790274891 is a wasteful number, since it uses less digits than its factorization.

42266790274891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16927051 (or 16927038 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 67.

The spelling of 42266790274891 in words is "forty-two trillion, two hundred sixty-six billion, seven hundred ninety million, two hundred seventy-four thousand, eight hundred ninety-one".