40404677 has 4 divisors (see below), whose sum is σ = 40428576. Its totient is φ = 40380780.

The previous prime is 40404667. The next prime is 40404757. The reversal of 40404677 is 77640404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40404677 - 2⁶ = 40404613 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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9203 + ... + 12864.

It is an arithmetic number, because the mean of its divisors is an integer number (10107144).

Almost surely, 2^40404677 is an apocalyptic number.

It is an amenable number.

40404677 is a deficient number, since it is larger than the sum of its proper divisors (23899).

40404677 is a wasteful number, since it uses less digits than its factorization.

40404677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23898.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 40404677 is about 6356.4673365007. The cubic root of 40404677 is about 343.1446349482.

The spelling of 40404677 in words is "forty million, four hundred four thousand, six hundred seventy-seven".