42264442 has 24 divisors (see below), whose sum is σ = 70873920. Its totient is φ = 18746280.

The previous prime is 42264437. The next prime is 42264451. The reversal of 42264442 is 24446224.

It is a self number, because there is not a number n which added to its sum of digits gives 42264442.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40159 + ... + 41197.

It is an arithmetic number, because the mean of its divisors is an integer number (2953080).

Almost surely, 2^42264442 is an apocalyptic number.

42264442 is a deficient number, since it is larger than the sum of its proper divisors (28609478).

42264442 is a wasteful number, since it uses less digits than its factorization.

42264442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1095 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 42264442 is about 6501.1108281585. The cubic root of 42264442 is about 348.3306684370.

It can be divided in two parts, 4226 and 4442, that added together give a palindrome (8668).

The spelling of 42264442 in words is "forty-two million, two hundred sixty-four thousand, four hundred forty-two".