400102228744 has 16 divisors (see below), whose sum is σ = 756830545020. Its totient is φ = 198280750080.

The previous prime is 400102228711. The next prime is 400102228843. The reversal of 400102228744 is 447822201004.

It can be written as a sum of positive squares in 2 ways, for example, as 340694016100 + 59408212644 = 583690^2 + 243738^2 .

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 3 ways as a sum of consecutive naturals, for example, 221294577 + ... + 221296384.

Almost surely, 2^400102228744 is an apocalyptic number.

It is an amenable number.

400102228744 is a deficient number, since it is larger than the sum of its proper divisors (356728316276).

400102228744 is a wasteful number, since it uses less digits than its factorization.

400102228744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442591080 (or 442591076 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 34.

Adding to 400102228744 its reverse (447822201004), we get a palindrome (847924429748).

The spelling of 400102228744 in words is "four hundred billion, one hundred two million, two hundred twenty-eight thousand, seven hundred forty-four".