1444810656 has 48 divisors (see below), whose sum is σ = 3830204448. Its totient is φ = 476832000.

The previous prime is 1444810649. The next prime is 1444810657. The reversal of 1444810656 is 6560184441.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1444810657) 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, 64810 + ... + 84201.

It is an arithmetic number, because the mean of its divisors is an integer number (79795926).

Almost surely, 2^1444810656 is an apocalyptic number.

1444810656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1444810656 is an abundant number, since it is smaller than the sum of its proper divisors (2385393792).

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

1444810656 is a wasteful number, since it uses less digits than its factorization.

1444810656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149125 (or 149117 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 1444810656 is about 38010.6650296992. The cubic root of 1444810656 is about 1130.4993370980.

The spelling of 1444810656 in words is "one billion, four hundred forty-four million, eight hundred ten thousand, six hundred fifty-six".