400112211444 has 48 divisors (see below), whose sum is σ = 1028551317696. Its totient is φ = 120045664000.

The previous prime is 400112211437. The next prime is 400112211449. The reversal of 400112211444 is 444112211004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400112211449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14992377 + ... + 15019040.

It is an arithmetic number, because the mean of its divisors is an integer number (21428152452).

Almost surely, 2^400112211444 is an apocalyptic number.

400112211444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

400112211444 is an abundant number, since it is smaller than the sum of its proper divisors (628439106252).

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

400112211444 is a wasteful number, since it uses less digits than its factorization.

400112211444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30011536 (or 30011534 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 400112211444 its reverse (444112211004), we get a palindrome (844224422448).

The spelling of 400112211444 in words is "four hundred billion, one hundred twelve million, two hundred eleven thousand, four hundred forty-four".