1431404444 has 48 divisors (see below), whose sum is σ = 2678054400. Its totient is φ = 667497600.

The previous prime is 1431404431. The next prime is 1431404449. The reversal of 1431404444 is 4444041341.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1431404449) 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, 2915039 + ... + 2915529.

It is an arithmetic number, because the mean of its divisors is an integer number (55792800).

Almost surely, 2^1431404444 is an apocalyptic number.

It is an amenable number.

1431404444 is a deficient number, since it is larger than the sum of its proper divisors (1246649956).

1431404444 is a wasteful number, since it uses less digits than its factorization.

1431404444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034 (or 1032 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 1431404444 is about 37833.9060103500. The cubic root of 1431404444 is about 1126.9918802938.

Adding to 1431404444 its reverse (4444041341), we get a palindrome (5875445785).

The spelling of 1431404444 in words is "one billion, four hundred thirty-one million, four hundred four thousand, four hundred forty-four".