1444370685 has 8 divisors (see below), whose sum is σ = 2310993120. Its totient is φ = 770331024.

The previous prime is 1444370639. The next prime is 1444370713. The reversal of 1444370685 is 5860734441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1444370685 - 2³⁰ = 370628861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48145675 + ... + 48145704.

It is an arithmetic number, because the mean of its divisors is an integer number (288874140).

Almost surely, 2^1444370685 is an apocalyptic number.

1444370685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1444370685 is a deficient number, since it is larger than the sum of its proper divisors (866622435).

1444370685 is an equidigital number, since it uses as much as digits as its factorization.

1444370685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96291387.

The product of its (nonzero) digits is 322560, while the sum is 42.

The square root of 1444370685 is about 38004.8771212327. The cubic root of 1444370685 is about 1130.3845729435.

The spelling of 1444370685 in words is "one billion, four hundred forty-four million, three hundred seventy thousand, six hundred eighty-five".