1374444456 has 64 divisors (see below), whose sum is σ = 4283988480. Its totient is φ = 356998080.

The previous prime is 1374444437. The next prime is 1374444457. The reversal of 1374444456 is 6544444731.

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

It is not an unprimeable number, because it can be changed into a prime (1374444457) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370026 + ... + 373721.

It is an arithmetic number, because the mean of its divisors is an integer number (66937320).

Almost surely, 2^1374444456 is an apocalyptic number.

It is an amenable number.

1374444456 is an abundant number, since it is smaller than the sum of its proper divisors (2909544024).

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

1374444456 is a wasteful number, since it uses less digits than its factorization.

1374444456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743774 (or 743770 counting only the distinct ones).

The product of its digits is 645120, while the sum is 42.

The square root of 1374444456 is about 37073.5007249113. The cubic root of 1374444456 is about 1111.8402652569.

The spelling of 1374444456 in words is "one billion, three hundred seventy-four million, four hundred forty-four thousand, four hundred fifty-six".