40442958 has 12 divisors (see below), whose sum is σ = 87626448. Its totient is φ = 13480980.

The previous prime is 40442951. The next prime is 40442959. The reversal of 40442958 is 85924404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40442951) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1123398 + ... + 1123433.

It is an arithmetic number, because the mean of its divisors is an integer number (7302204).

Almost surely, 2^40442958 is an apocalyptic number.

40442958 is an abundant number, since it is smaller than the sum of its proper divisors (47183490).

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

40442958 is a wasteful number, since it uses less digits than its factorization.

40442958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2246839 (or 2246836 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 40442958 is about 6359.4778087513. The cubic root of 40442958 is about 343.2529703723.

The spelling of 40442958 in words is "forty million, four hundred forty-two thousand, nine hundred fifty-eight".