1409597872 has 20 divisors (see below), whose sum is σ = 2849839920. Its totient is φ = 674155328.

The previous prime is 1409597837. The next prime is 1409597873. The reversal of 1409597872 is 2787959041.

It is not an unprimeable number, because it can be changed into a prime (1409597873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1914847 + ... + 1915582.

It is an arithmetic number, because the mean of its divisors is an integer number (142491996).

Almost surely, 2^1409597872 is an apocalyptic number.

It is an amenable number.

1409597872 is an abundant number, since it is smaller than the sum of its proper divisors (1440242048).

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

1409597872 is a wasteful number, since it uses less digits than its factorization.

1409597872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3830460 (or 3830454 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 52.

The square root of 1409597872 is about 37544.6117572149. The cubic root of 1409597872 is about 1121.2395587361.

The spelling of 1409597872 in words is "one billion, four hundred nine million, five hundred ninety-seven thousand, eight hundred seventy-two".