400744083347 has 4 divisors (see below), whose sum is σ = 401197928040. Its totient is φ = 400290238656.

The previous prime is 400744083343. The next prime is 400744083361. The reversal of 400744083347 is 743380447004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 400744083347 - 2² = 400744083343 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 400744083298 and 400744083307.

It is not an unprimeable number, because it can be changed into a prime (400744083343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226921022 + ... + 226922787.

It is an arithmetic number, because the mean of its divisors is an integer number (100299482010).

Almost surely, 2^400744083347 is an apocalyptic number.

400744083347 is a deficient number, since it is larger than the sum of its proper divisors (453844693).

400744083347 is an equidigital number, since it uses as much as digits as its factorization.

400744083347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453844692.

The product of its (nonzero) digits is 903168, while the sum is 44.

The spelling of 400744083347 in words is "four hundred billion, seven hundred forty-four million, eighty-three thousand, three hundred forty-seven".