40045607 has 8 divisors (see below), whose sum is σ = 47344800. Its totient is φ = 33141024.

The previous prime is 40045589. The next prime is 40045631. The reversal of 40045607 is 70654004.

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

It is not a de Polignac number, because 40045607 - 2¹⁸ = 39783463 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 (40045637) by changing a digit.

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, 98432 + ... + 98837.

It is an arithmetic number, because the mean of its divisors is an integer number (5918100).

Almost surely, 2^40045607 is an apocalyptic number.

40045607 is a deficient number, since it is larger than the sum of its proper divisors (7299193).

40045607 is a wasteful number, since it uses less digits than its factorization.

40045607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197305.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 40045607 is about 6328.1598431140. The cubic root of 40045607 is about 342.1251180890.

The spelling of 40045607 in words is "forty million, forty-five thousand, six hundred seven".