400403300133434 has 32 divisors (see below), whose sum is σ = 650393925701520. Its totient is φ = 183776257728000.

The previous prime is 400403300133433. The next prime is 400403300133437. The reversal of 400403300133434 is 434331003304004.

It can be written as a sum of positive squares in 8 ways, for example, as 90604754934409 + 309798545199025 = 9518653^2 + 17601095^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 400403300133434.

It is not an unprimeable number, because it can be changed into a prime (400403300133433) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206574662 + ... + 208503950.

Almost surely, 2^{400403300133434} is an apocalyptic number.

400403300133434 is a deficient number, since it is larger than the sum of its proper divisors (249990625568086).

400403300133434 is a wasteful number, since it uses less digits than its factorization.

400403300133434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1973586.

The product of its (nonzero) digits is 62208, while the sum is 32.

Adding to 400403300133434 its reverse (434331003304004), we get a palindrome (834734303437438).

The spelling of 400403300133434 in words is "four hundred trillion, four hundred three billion, three hundred million, one hundred thirty-three thousand, four hundred thirty-four".