40404027 has 8 divisors (see below), whose sum is σ = 54026064. Its totient is φ = 26859008.

The previous prime is 40404017. The next prime is 40404043. The reversal of 40404027 is 72040404.

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

It is a cyclic number.

It is not a de Polignac number, because 40404027 - 2⁸ = 40403771 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40403994 and 40404012.

It is not an unprimeable number, because it can be changed into a prime (40404017) 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 7 ways as a sum of consecutive naturals, for example, 18018 + ... + 20135.

It is an arithmetic number, because the mean of its divisors is an integer number (6753258).

Almost surely, 2^40404027 is an apocalyptic number.

40404027 is a deficient number, since it is larger than the sum of its proper divisors (13622037).

40404027 is a wasteful number, since it uses less digits than its factorization.

40404027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38509.

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 40404027 is about 6356.4162072665. The cubic root of 40404027 is about 343.1427948542.

The spelling of 40404027 in words is "forty million, four hundred four thousand, twenty-seven".