40604407 has 8 divisors (see below), whose sum is σ = 42492384. Its totient is φ = 38726688.

The previous prime is 40604393. The next prime is 40604411. The reversal of 40604407 is 70440604.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40604407 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 (40604477) 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, 6213 + ... + 10945.

It is an arithmetic number, because the mean of its divisors is an integer number (5311548).

Almost surely, 2^40604407 is an apocalyptic number.

40604407 is a deficient number, since it is larger than the sum of its proper divisors (1887977).

40604407 is a wasteful number, since it uses less digits than its factorization.

40604407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5129.

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

The square root of 40604407 is about 6372.1587393912. The cubic root of 40604407 is about 343.7091212215.

The spelling of 40604407 in words is "forty million, six hundred four thousand, four hundred seven".