40024907 has 4 divisors (see below), whose sum is σ = 43103760. Its totient is φ = 36946056.

The previous prime is 40024903. The next prime is 40024921. The reversal of 40024907 is 70942004.

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 40024907 - 2² = 40024903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40024903) 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, 1539407 + ... + 1539432.

It is an arithmetic number, because the mean of its divisors is an integer number (10775940).

Almost surely, 2^40024907 is an apocalyptic number.

40024907 is a deficient number, since it is larger than the sum of its proper divisors (3078853).

40024907 is a wasteful number, since it uses less digits than its factorization.

40024907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3078852.

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 40024907 is about 6326.5240851513. The cubic root of 40024907 is about 342.0661585586.

The spelling of 40024907 in words is "forty million, twenty-four thousand, nine hundred seven".