1407045444 has 24 divisors (see below), whose sum is σ = 3752121408. Its totient is φ = 402012960.

The previous prime is 1407045427. The next prime is 1407045449. The reversal of 1407045444 is 4445407041.

It is not an unprimeable number, because it can be changed into a prime (1407045449) 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, 8375187 + ... + 8375354.

It is an arithmetic number, because the mean of its divisors is an integer number (156338392).

Almost surely, 2^1407045444 is an apocalyptic number.

1407045444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1407045444 is an abundant number, since it is smaller than the sum of its proper divisors (2345075964).

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

1407045444 is a wasteful number, since it uses less digits than its factorization.

1407045444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16750555 (or 16750553 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 33.

The square root of 1407045444 is about 37510.6044206168. The cubic root of 1407045444 is about 1120.5623886899.

The spelling of 1407045444 in words is "one billion, four hundred seven million, forty-five thousand, four hundred forty-four".