42364331 has 16 divisors (see below), whose sum is σ = 45761760. Its totient is φ = 39137280.

The previous prime is 42364327. The next prime is 42364337. The reversal of 42364331 is 13346324.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 42364331 - 2² = 42364327 is a prime.

It is a super-2 number, since 2×42364331² = 3589473082155122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42364331.

It is not an unprimeable number, because it can be changed into a prime (42364337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65771 + ... + 66411.

It is an arithmetic number, because the mean of its divisors is an integer number (2860110).

Almost surely, 2^42364331 is an apocalyptic number.

42364331 is a deficient number, since it is larger than the sum of its proper divisors (3397429).

42364331 is a wasteful number, since it uses less digits than its factorization.

42364331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766.

The product of its digits is 5184, while the sum is 26.

The square root of 42364331 is about 6508.7887506048. The cubic root of 42364331 is about 348.6048707772.

The spelling of 42364331 in words is "forty-two million, three hundred sixty-four thousand, three hundred thirty-one".