400034402254 has 32 divisors (see below), whose sum is σ = 641027520000. Its totient is φ = 186815617824.

The previous prime is 400034402227. The next prime is 400034402263. The reversal of 400034402254 is 452204430004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90234 + ... + 899005.

It is an arithmetic number, because the mean of its divisors is an integer number (20032110000).

Almost surely, 2^400034402254 is an apocalyptic number.

400034402254 is a deficient number, since it is larger than the sum of its proper divisors (240993117746).

400034402254 is a wasteful number, since it uses less digits than its factorization.

400034402254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989472.

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 400034402254 its reverse (452204430004), we get a palindrome (852238832258).

The spelling of 400034402254 in words is "four hundred billion, thirty-four million, four hundred two thousand, two hundred fifty-four".