40004604646 has 8 divisors (see below), whose sum is σ = 63536725080. Its totient is φ = 18825696288.

The previous prime is 40004604631. The next prime is 40004604701. The reversal of 40004604646 is 64640640004.

40004604646 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 Harshad number since it is a multiple of its sum of digits (34), and also a Moran number because the ratio is a prime number: 1176606019 = 40004604646 / (4 + 0 + 0 + 0 + 4 + 6 + 0 + 4 + 6 + 4 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 588302976 + ... + 588303043.

It is an arithmetic number, because the mean of its divisors is an integer number (7942090635).

Almost surely, 2^40004604646 is an apocalyptic number.

40004604646 is a deficient number, since it is larger than the sum of its proper divisors (23532120434).

40004604646 is a wasteful number, since it uses less digits than its factorization.

40004604646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1176606038.

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 40004604646 in words is "forty billion, four million, six hundred four thousand, six hundred forty-six".