1409869904 has 40 divisors (see below), whose sum is σ = 2865197568. Its totient is φ = 671276160.

The previous prime is 1409869859. The next prime is 1409869921. The reversal of 1409869904 is 4099689041.

It is a happy number.

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, 2489 + ... + 53159.

Almost surely, 2^1409869904 is an apocalyptic number.

It is an amenable number.

1409869904 is an abundant number, since it is smaller than the sum of its proper divisors (1455327664).

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

1409869904 is a wasteful number, since it uses less digits than its factorization.

1409869904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50763 (or 50757 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 1409869904 is about 37548.2343659459. The cubic root of 1409869904 is about 1121.3116817689.

The spelling of 1409869904 in words is "one billion, four hundred nine million, eight hundred sixty-nine thousand, nine hundred four".