400214442254 has 32 divisors (see below), whose sum is σ = 667728321120. Its totient is φ = 179871552960.

The previous prime is 400214442211. The next prime is 400214442263. The reversal of 400214442254 is 452244412004.

It is a self number, because there is not a number n which added to its sum of digits gives 400214442254.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 607709 + ... + 1081544.

It is an arithmetic number, because the mean of its divisors is an integer number (20866510035).

Almost surely, 2^400214442254 is an apocalyptic number.

400214442254 is a deficient number, since it is larger than the sum of its proper divisors (267513878866).

400214442254 is a wasteful number, since it uses less digits than its factorization.

400214442254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1689377 (or 1689355 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 32.

Adding to 400214442254 its reverse (452244412004), we get a palindrome (852458854258).

The spelling of 400214442254 in words is "four hundred billion, two hundred fourteen million, four hundred forty-two thousand, two hundred fifty-four".