400304347145 has 8 divisors (see below), whose sum is σ = 481078987656. Its totient is φ = 319767630336.

The previous prime is 400304347127. The next prime is 400304347171. The reversal of 400304347145 is 541743403004.

It can be written as a sum of positive squares in 4 ways, for example, as 44105460169 + 356198886976 = 210013^2 + 596824^2 .

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 400304347145 - 2¹⁴ = 400304330761 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59477222 + ... + 59483951.

It is an arithmetic number, because the mean of its divisors is an integer number (60134873457).

Almost surely, 2^400304347145 is an apocalyptic number.

It is an amenable number.

400304347145 is a deficient number, since it is larger than the sum of its proper divisors (80774640511).

400304347145 is a wasteful number, since it uses less digits than its factorization.

400304347145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118961851.

The product of its (nonzero) digits is 80640, while the sum is 35.

The spelling of 400304347145 in words is "four hundred billion, three hundred four million, three hundred forty-seven thousand, one hundred forty-five".