400331103044 has 6 divisors (see below), whose sum is σ = 700579430334. Its totient is φ = 200165551520.

The previous prime is 400331103037. The next prime is 400331103071. The reversal of 400331103044 is 440301133004.

It can be written as a sum of positive squares in only one way, i.e., 315969900544 + 84361202500 = 562112^2 + 290450^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50041387877 + ... + 50041387884.

It is an arithmetic number, because the mean of its divisors is an integer number (116763238389).

Almost surely, 2^400331103044 is an apocalyptic number.

It is an amenable number.

400331103044 is a deficient number, since it is larger than the sum of its proper divisors (300248327290).

400331103044 is a wasteful number, since it uses less digits than its factorization.

400331103044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100082775765 (or 100082775763 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 400331103044 its reverse (440301133004), we get a palindrome (840632236048).

The spelling of 400331103044 in words is "four hundred billion, three hundred thirty-one million, one hundred three thousand, forty-four".