1444347004 has 12 divisors (see below), whose sum is σ = 2531345544. Its totient is φ = 721105424.

The previous prime is 1444346987. The next prime is 1444347007. The reversal of 1444347004 is 4007434441.

It is a happy number.

It is a super-2 number, since 2×1444347004² = 4172276535927552032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444347007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263974 + ... + 269389.

It is an arithmetic number, because the mean of its divisors is an integer number (210945462).

Almost surely, 2^1444347004 is an apocalyptic number.

It is an amenable number.

1444347004 is a deficient number, since it is larger than the sum of its proper divisors (1086998540).

1444347004 is a wasteful number, since it uses less digits than its factorization.

1444347004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534044 (or 534042 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 31.

The square root of 1444347004 is about 38004.5655678367. The cubic root of 1444347004 is about 1130.3783952164.

The spelling of 1444347004 in words is "one billion, four hundred forty-four million, three hundred forty-seven thousand, four".