1444442874 has 48 divisors (see below), whose sum is σ = 3442533696. Its totient is φ = 402628800.

The previous prime is 1444442837. The next prime is 1444442891. The reversal of 1444442874 is 4782444441.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47862 + ... + 71969.

It is an arithmetic number, because the mean of its divisors is an integer number (71719452).

Almost surely, 2^1444442874 is an apocalyptic number.

1444442874 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1444442874 is an abundant number, since it is smaller than the sum of its proper divisors (1998090822).

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

1444442874 is a wasteful number, since it uses less digits than its factorization.

1444442874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119891 (or 119884 counting only the distinct ones).

The product of its digits is 458752, while the sum is 42.

The square root of 1444442874 is about 38005.8268427356. The cubic root of 1444442874 is about 1130.4034046680.

The spelling of 1444442874 in words is "one billion, four hundred forty-four million, four hundred forty-two thousand, eight hundred seventy-four".