400440044202 has 32 divisors (see below), whose sum is σ = 876121090560. Its totient is φ = 121007451120.

The previous prime is 400440044197. The next prime is 400440044209. The reversal of 400440044202 is 202440044004.

It is not an unprimeable number, because it can be changed into a prime (400440044209) 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 15 ways as a sum of consecutive naturals, for example, 8426548 + ... + 8473935.

It is an arithmetic number, because the mean of its divisors is an integer number (27378784080).

Almost surely, 2^400440044202 is an apocalyptic number.

400440044202 is an abundant number, since it is smaller than the sum of its proper divisors (475681046358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

400440044202 is a wasteful number, since it uses less digits than its factorization.

400440044202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16900858.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 400440044202 its reverse (202440044004), we get a palindrome (602880088206).

The spelling of 400440044202 in words is "four hundred billion, four hundred forty million, forty-four thousand, two hundred two".