400104406727 has 4 divisors (see below), whose sum is σ = 400161891696. Its totient is φ = 400046921760.

The previous prime is 400104406703. The next prime is 400104406769. The reversal of 400104406727 is 727604401004.

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-400104406727 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 (400104402727) 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, 28732043 + ... + 28745964.

It is an arithmetic number, because the mean of its divisors is an integer number (100040472924).

Almost surely, 2^400104406727 is an apocalyptic number.

400104406727 is a deficient number, since it is larger than the sum of its proper divisors (57484969).

400104406727 is an equidigital number, since it uses as much as digits as its factorization.

400104406727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57484968.

The product of its (nonzero) digits is 37632, while the sum is 35.

The spelling of 400104406727 in words is "four hundred billion, one hundred four million, four hundred six thousand, seven hundred twenty-seven".