1409534672 has 80 divisors (see below), whose sum is σ = 3368034432. Its totient is φ = 556485120.

The previous prime is 1409534657. The next prime is 1409534681. The reversal of 1409534672 is 2764359041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1413278 + ... + 1414274.

Almost surely, 2^1409534672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1409534672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1684017216).

1409534672 is an abundant number, since it is smaller than the sum of its proper divisors (1958499760).

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

1409534672 is a wasteful number, since it uses less digits than its factorization.

1409534672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996 (or 1990 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 1409534672 is about 37543.7700823985. The cubic root of 1409534672 is about 1121.2228013803. Note that the first 3 decimals are identical.

The spelling of 1409534672 in words is "one billion, four hundred nine million, five hundred thirty-four thousand, six hundred seventy-two".