400202211244304 has 160 divisors (see below), whose sum is σ = 955619698924800. Its totient is φ = 158513995284480.

The previous prime is 400202211244291. The next prime is 400202211244309. The reversal of 400202211244304 is 403442112202004.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (400202211244309) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1320521462 + ... + 1320824490.

It is an arithmetic number, because the mean of its divisors is an integer number (5972623118280).

Almost surely, 2^{400202211244304} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 400202211244304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477809849462400).

400202211244304 is an abundant number, since it is smaller than the sum of its proper divisors (555417487680496).

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

400202211244304 is a wasteful number, since it uses less digits than its factorization.

400202211244304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318241 (or 318235 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 400202211244304 its reverse (403442112202004), we get a palindrome (803644323446308).

The spelling of 400202211244304 in words is "four hundred trillion, two hundred two billion, two hundred eleven million, two hundred forty-four thousand, three hundred four".