400944080454 has 8 divisors (see below), whose sum is σ = 801888160920. Its totient is φ = 133648026816.

The previous prime is 400944080447. The next prime is 400944080497. The reversal of 400944080454 is 454080449004.

It is a sphenic number, since it is the product of 3 distinct primes.

400944080454 is an admirable number.

It is a super-2 number, since 2×400944080454² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33412006699 + ... + 33412006710.

It is an arithmetic number, because the mean of its divisors is an integer number (100236020115).

Almost surely, 2^400944080454 is an apocalyptic number.

400944080454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400944080454 is a wasteful number, since it uses less digits than its factorization.

400944080454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66824013414.

The product of its (nonzero) digits is 368640, while the sum is 42.

The spelling of 400944080454 in words is "four hundred billion, nine hundred forty-four million, eighty thousand, four hundred fifty-four".