1444075464 has 32 divisors (see below), whose sum is σ = 3887896320. Its totient is φ = 444330816.

The previous prime is 1444075453. The next prime is 1444075483. The reversal of 1444075464 is 4645704441.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 2313912 + ... + 2314535.

It is an arithmetic number, because the mean of its divisors is an integer number (121496760).

Almost surely, 2^1444075464 is an apocalyptic number.

It is an amenable number.

1444075464 is an abundant number, since it is smaller than the sum of its proper divisors (2443820856).

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

1444075464 is a wasteful number, since it uses less digits than its factorization.

1444075464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628469 (or 4628465 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 39.

The square root of 1444075464 is about 38000.9929343958. The cubic root of 1444075464 is about 1130.3075530098.

The spelling of 1444075464 in words is "one billion, four hundred forty-four million, seventy-five thousand, four hundred sixty-four".