42619992 has 32 divisors (see below), whose sum is σ = 109151280. Its totient is φ = 13859840.

The previous prime is 42619987. The next prime is 42619999. The reversal of 42619992 is 29991624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42619999) 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, 20673 + ... + 22640.

Almost surely, 2^42619992 is an apocalyptic number.

It is an amenable number.

42619992 is an abundant number, since it is smaller than the sum of its proper divisors (66531288).

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

42619992 is a wasteful number, since it uses less digits than its factorization.

42619992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43363 (or 43359 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 42619992 is about 6528.3988848722. The cubic root of 42619992 is about 349.3047204128.

The spelling of 42619992 in words is "forty-two million, six hundred nineteen thousand, nine hundred ninety-two".