40907442 has 16 divisors (see below), whose sum is σ = 81888480. Its totient is φ = 13623552.

The previous prime is 40907417. The next prime is 40907527. The reversal of 40907442 is 24470904.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6418 + ... + 11090.

It is an arithmetic number, because the mean of its divisors is an integer number (5118030).

Almost surely, 2^40907442 is an apocalyptic number.

40907442 is an abundant number, since it is smaller than the sum of its proper divisors (40981038).

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

40907442 is a wasteful number, since it uses less digits than its factorization.

40907442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6137.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 40907442 is about 6395.8925882163. The cubic root of 40907442 is about 344.5620487844.

The spelling of 40907442 in words is "forty million, nine hundred seven thousand, four hundred forty-two".