42635992 has 16 divisors (see below), whose sum is σ = 91362960. Its totient is φ = 18272544.

The previous prime is 42635987. The next prime is 42635993. The reversal of 42635992 is 29953624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42635993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380623 + ... + 380734.

It is an arithmetic number, because the mean of its divisors is an integer number (5710185).

Almost surely, 2^42635992 is an apocalyptic number.

It is an amenable number.

42635992 is an abundant number, since it is smaller than the sum of its proper divisors (48726968).

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

42635992 is a wasteful number, since it uses less digits than its factorization.

42635992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761370 (or 761366 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The square root of 42635992 is about 6529.6241852039. The cubic root of 42635992 is about 349.3484258512.

The spelling of 42635992 in words is "forty-two million, six hundred thirty-five thousand, nine hundred ninety-two".