40042336 has 12 divisors (see below), whose sum is σ = 78833412. Its totient is φ = 20021152.

The previous prime is 40042313. The next prime is 40042339. The reversal of 40042336 is 63324004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40042339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625630 + ... + 625693.

It is an arithmetic number, because the mean of its divisors is an integer number (6569451).

Almost surely, 2^40042336 is an apocalyptic number.

It is an amenable number.

40042336 is a deficient number, since it is larger than the sum of its proper divisors (38791076).

40042336 is a wasteful number, since it uses less digits than its factorization.

40042336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1251333 (or 1251325 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 40042336 is about 6327.9013898764. The cubic root of 40042336 is about 342.1158026957.

The spelling of 40042336 in words is "forty million, forty-two thousand, three hundred thirty-six".