1444371406 has 16 divisors (see below), whose sum is σ = 2248957440. Its totient is φ = 694979640.

The previous prime is 1444371403. The next prime is 1444371413. The reversal of 1444371406 is 6041734441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444371403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53976 + ... + 76171.

It is an arithmetic number, because the mean of its divisors is an integer number (140559840).

Almost surely, 2^1444371406 is an apocalyptic number.

1444371406 is a deficient number, since it is larger than the sum of its proper divisors (804586034).

1444371406 is a wasteful number, since it uses less digits than its factorization.

1444371406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130359.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 1444371406 is about 38004.8866068562. The cubic root of 1444371406 is about 1130.3847610316.

It can be divided in two parts, 14443 and 71406, that added together give a square (85849 = 293²).

The spelling of 1444371406 in words is "one billion, four hundred forty-four million, three hundred seventy-one thousand, four hundred six".