40038370 has 16 divisors (see below), whose sum is σ = 72938880. Its totient is φ = 15822064.

The previous prime is 40038367. The next prime is 40038371. The reversal of 40038370 is 7383004.

It is not an unprimeable number, because it can be changed into a prime (40038371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23290 + ... + 24949.

It is an arithmetic number, because the mean of its divisors is an integer number (4558680).

Almost surely, 2^40038370 is an apocalyptic number.

40038370 is a deficient number, since it is larger than the sum of its proper divisors (32900510).

40038370 is a wasteful number, since it uses less digits than its factorization.

40038370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48329.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 40038370 is about 6327.5880080802. The cubic root of 40038370 is about 342.1045073501.

The spelling of 40038370 in words is "forty million, thirty-eight thousand, three hundred seventy".