42364992 has 56 divisors (see below), whose sum is σ = 112690656. Its totient is φ = 14046208.

The previous prime is 42364991. The next prime is 42365017. The reversal of 42364992 is 29946324.

It is a self number, because there is not a number n which added to its sum of digits gives 42364992.

It is not an unprimeable number, because it can be changed into a prime (42364991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44263 + ... + 45209.

Almost surely, 2^42364992 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42364992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56345328).

42364992 is an abundant number, since it is smaller than the sum of its proper divisors (70325664).

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

42364992 is a wasteful number, since it uses less digits than its factorization.

42364992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195 (or 1185 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 42364992 is about 6508.8395279036. The cubic root of 42364992 is about 348.6066838325.

The spelling of 42364992 in words is "forty-two million, three hundred sixty-four thousand, nine hundred ninety-two".