40404670 has 8 divisors (see below), whose sum is σ = 72728424. Its totient is φ = 16161864.

The previous prime is 40404667. The next prime is 40404757. The reversal of 40404670 is 7640404.

It is a happy number.

40404670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2020224 + ... + 2020243.

It is an arithmetic number, because the mean of its divisors is an integer number (9091053).

Almost surely, 2^40404670 is an apocalyptic number.

40404670 is a deficient number, since it is larger than the sum of its proper divisors (32323754).

40404670 is a wasteful number, since it uses less digits than its factorization.

40404670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040474.

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

The square root of 40404670 is about 6356.4667858803. The cubic root of 40404670 is about 343.1446151319.

The spelling of 40404670 in words is "forty million, four hundred four thousand, six hundred seventy".