1444255660 has 12 divisors (see below), whose sum is σ = 3032936928. Its totient is φ = 577702256.

The previous prime is 1444255649. The next prime is 1444255711. The reversal of 1444255660 is 665524441.

It is a super-2 number, since 2×1444255660² = 4171748822884071200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36106372 + ... + 36106411.

It is an arithmetic number, because the mean of its divisors is an integer number (252744744).

Almost surely, 2^1444255660 is an apocalyptic number.

1444255660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1444255660 is an abundant number, since it is smaller than the sum of its proper divisors (1588681268).

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

1444255660 is a wasteful number, since it uses less digits than its factorization.

1444255660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72212792 (or 72212790 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 1444255660 is about 38003.3637984850. The cubic root of 1444255660 is about 1130.3545654256.

The spelling of 1444255660 in words is "one billion, four hundred forty-four million, two hundred fifty-five thousand, six hundred sixty".