1409121896 has 64 divisors (see below), whose sum is σ = 3277639680. Its totient is φ = 553029120.

The previous prime is 1409121893. The next prime is 1409121913. The reversal of 1409121896 is 6981219041.

It is not an unprimeable number, because it can be changed into a prime (1409121893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84836 + ... + 100076.

It is an arithmetic number, because the mean of its divisors is an integer number (51213120).

Almost surely, 2^1409121896 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 1409121896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1638819840).

1409121896 is an abundant number, since it is smaller than the sum of its proper divisors (1868517784).

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

1409121896 is a wasteful number, since it uses less digits than its factorization.

1409121896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15394 (or 15390 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 1409121896 is about 37538.2724162953. The cubic root of 1409121896 is about 1121.1133423138.

The spelling of 1409121896 in words is "one billion, four hundred nine million, one hundred twenty-one thousand, eight hundred ninety-six".