1444131396 has 24 divisors (see below), whose sum is σ = 3744044640. Its totient is φ = 481377096.

The previous prime is 1444131391. The next prime is 1444131407. The reversal of 1444131396 is 6931314441.

1444131396 is a `hidden beast` number, since 144 + 413 + 13 + 96 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 1444131396.

It is not an unprimeable number, because it can be changed into a prime (1444131391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6685686 + ... + 6685901.

It is an arithmetic number, because the mean of its divisors is an integer number (156001860).

Almost surely, 2^1444131396 is an apocalyptic number.

It is an amenable number.

1444131396 is an abundant number, since it is smaller than the sum of its proper divisors (2299913244).

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

1444131396 is a wasteful number, since it uses less digits than its factorization.

1444131396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13371600 (or 13371592 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 1444131396 is about 38001.7288554087. The cubic root of 1444131396 is about 1130.3221458635.

The spelling of 1444131396 in words is "one billion, four hundred forty-four million, one hundred thirty-one thousand, three hundred ninety-six".