1407444020 has 24 divisors (see below), whose sum is σ = 3050976768. Its totient is φ = 544816800.

The previous prime is 1407444007. The next prime is 1407444139. The reversal of 1407444020 is 204447041.

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, 1134416 + ... + 1135655.

It is an arithmetic number, because the mean of its divisors is an integer number (127124032).

Almost surely, 2^1407444020 is an apocalyptic number.

1407444020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1407444020 is an abundant number, since it is smaller than the sum of its proper divisors (1643532748).

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

1407444020 is a wasteful number, since it uses less digits than its factorization.

1407444020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270111 (or 2270109 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 1407444020 is about 37515.9168887021. The cubic root of 1407444020 is about 1120.6681865305.

The spelling of 1407444020 in words is "one billion, four hundred seven million, four hundred forty-four thousand, twenty".