42367988 has 24 divisors (see below), whose sum is σ = 81359208. Its totient is φ = 19184256.

The previous prime is 42367957. The next prime is 42368003. The reversal of 42367988 is 88976324.

It can be written as a sum of positive squares in 4 ways, for example, as 13924 + 42354064 = 118^2 + 6508^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4931 + ... + 10442.

It is an arithmetic number, because the mean of its divisors is an integer number (3389967).

Almost surely, 2^42367988 is an apocalyptic number.

It is an amenable number.

42367988 is a deficient number, since it is larger than the sum of its proper divisors (38991220).

42367988 is a wasteful number, since it uses less digits than its factorization.

42367988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15443 (or 15441 counting only the distinct ones).

The product of its digits is 580608, while the sum is 47.

The square root of 42367988 is about 6509.0696723879. The cubic root of 42367988 is about 348.6149013171.

The spelling of 42367988 in words is "forty-two million, three hundred sixty-seven thousand, nine hundred eighty-eight".