400457354 has 16 divisors (see below), whose sum is σ = 655603200. Its totient is φ = 181940160.

The previous prime is 400457353. The next prime is 400457363. The reversal of 400457354 is 453754004.

It is a self number, because there is not a number n which added to its sum of digits gives 400457354.

It is not an unprimeable number, because it can be changed into a prime (400457353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81047 + ... + 85845.

It is an arithmetic number, because the mean of its divisors is an integer number (40975200).

Almost surely, 2^400457354 is an apocalyptic number.

400457354 is a deficient number, since it is larger than the sum of its proper divisors (255145846).

400457354 is a wasteful number, since it uses less digits than its factorization.

400457354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8605.

The product of its (nonzero) digits is 33600, while the sum is 32.

The square root of 400457354 is about 20011.4305835440. The cubic root of 400457354 is about 737.0870105254.

It can be divided in two parts, 400 and 457354, that added together give a palindrome (457754).

The spelling of 400457354 in words is "four hundred million, four hundred fifty-seven thousand, three hundred fifty-four".