1409568672 has 24 divisors (see below), whose sum is σ = 3700118016. Its totient is φ = 469856192.

The previous prime is 1409568661. The next prime is 1409568679. The reversal of 1409568672 is 2768659041.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1409568679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7341408 + ... + 7341599.

It is an arithmetic number, because the mean of its divisors is an integer number (154171584).

Almost surely, 2^1409568672 is an apocalyptic number.

1409568672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1409568672 is an abundant number, since it is smaller than the sum of its proper divisors (2290549344).

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

1409568672 is a wasteful number, since it uses less digits than its factorization.

1409568672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14683020 (or 14683012 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 1409568672 is about 37544.2228844865. Note that the first 3 decimals coincide. The cubic root of 1409568672 is about 1121.2318164757.

The spelling of 1409568672 in words is "one billion, four hundred nine million, five hundred sixty-eight thousand, six hundred seventy-two".