40038507 has 6 divisors (see below), whose sum is σ = 57833412. Its totient is φ = 26692332.

The previous prime is 40038503. The next prime is 40038511. The reversal of 40038507 is 70583004.

40038507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40038503) and next prime (40038511).

It is not a de Polignac number, because 40038507 - 2² = 40038503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40038503) 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 5 ways as a sum of consecutive naturals, for example, 2224353 + ... + 2224370.

It is an arithmetic number, because the mean of its divisors is an integer number (9638902).

Almost surely, 2^40038507 is an apocalyptic number.

40038507 is a deficient number, since it is larger than the sum of its proper divisors (17794905).

40038507 is a wasteful number, since it uses less digits than its factorization.

40038507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448729 (or 4448726 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 40038507 is about 6327.5988336809. The cubic root of 40038507 is about 342.1048975447.

The spelling of 40038507 in words is "forty million, thirty-eight thousand, five hundred seven".