40057237 has 8 divisors (see below), whose sum is σ = 45599040. Its totient is φ = 34832160.

The previous prime is 40057231. The next prime is 40057279. The reversal of 40057237 is 73275004.

40057237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40057237 - 2³ = 40057229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40057231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78912 + ... + 79417.

It is an arithmetic number, because the mean of its divisors is an integer number (5699880).

Almost surely, 2^40057237 is an apocalyptic number.

It is an amenable number.

40057237 is a deficient number, since it is larger than the sum of its proper divisors (5541803).

40057237 is a wasteful number, since it uses less digits than its factorization.

40057237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158363.

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 40057237 is about 6329.0786849272. The cubic root of 40057237 is about 342.1582347469.

The spelling of 40057237 in words is "forty million, fifty-seven thousand, two hundred thirty-seven".