400313455 has 8 divisors (see below), whose sum is σ = 481198032. Its totient is φ = 319702848.

The previous prime is 400313449. The next prime is 400313519. The reversal of 400313455 is 554313004.

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 400313455 - 2⁵ = 400313423 is a prime.

It is a Duffinian number.

It is a congruent 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, 65262 + ... + 71131.

It is an arithmetic number, because the mean of its divisors is an integer number (60149754).

Almost surely, 2^400313455 is an apocalyptic number.

400313455 is a deficient number, since it is larger than the sum of its proper divisors (80884577).

400313455 is a wasteful number, since it uses less digits than its factorization.

400313455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136985.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 400313455 is about 20007.8348403819. The cubic root of 400313455 is about 736.9987124918.

Adding to 400313455 its reverse (554313004), we get a palindrome (954626459).

The spelling of 400313455 in words is "four hundred million, three hundred thirteen thousand, four hundred fifty-five".