40404607 has 4 divisors (see below), whose sum is σ = 40555080. Its totient is φ = 40254136.

The previous prime is 40404593. The next prime is 40404613. The reversal of 40404607 is 70640404.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40404607 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 (40404647) 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, 74833 + ... + 75370.

It is an arithmetic number, because the mean of its divisors is an integer number (10138770).

Almost surely, 2^40404607 is an apocalyptic number.

40404607 is a deficient number, since it is larger than the sum of its proper divisors (150473).

40404607 is a wasteful number, since it uses less digits than its factorization.

40404607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150472.

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

The square root of 40404607 is about 6356.4618302952. The cubic root of 40404607 is about 343.1444367851.

The spelling of 40404607 in words is "forty million, four hundred four thousand, six hundred seven".