40044607 has 4 divisors (see below), whose sum is σ = 40457536. Its totient is φ = 39631680.

The previous prime is 40044593. The next prime is 40044617. The reversal of 40044607 is 70644004.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40044607 - 2⁷ = 40044479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40044617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206319 + ... + 206512.

It is an arithmetic number, because the mean of its divisors is an integer number (10114384).

Almost surely, 2^40044607 is an apocalyptic number.

40044607 is a deficient number, since it is larger than the sum of its proper divisors (412929).

40044607 is an equidigital number, since it uses as much as digits as its factorization.

40044607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412928.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 40044607 is about 6328.0808307101. The cubic root of 40044607 is about 342.1222702696.

The spelling of 40044607 in words is "forty million, forty-four thousand, six hundred seven".