400244244022 has 24 divisors (see below), whose sum is σ = 698407659720. Its totient is φ = 171527771520.

The previous prime is 400244244011. The next prime is 400244244079. The reversal of 400244244022 is 220442442004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5088429 + ... + 5166487.

It is an arithmetic number, because the mean of its divisors is an integer number (29100319155).

Almost surely, 2^400244244022 is an apocalyptic number.

400244244022 is a deficient number, since it is larger than the sum of its proper divisors (298163415698).

400244244022 is a wasteful number, since it uses less digits than its factorization.

400244244022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130396 (or 130389 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 400244244022 its reverse (220442442004), we get a palindrome (620686686026).

The spelling of 400244244022 in words is "four hundred billion, two hundred forty-four million, two hundred forty-four thousand, twenty-two".