1409318568 has 128 divisors (see below), whose sum is σ = 4628448000. Its totient is φ = 388765440.

The previous prime is 1409318531. The next prime is 1409318569. The reversal of 1409318568 is 8658139041.

1409318568 is a `hidden beast` number, since 1 + 409 + 3 + 185 + 68 = 666.

It is a super-2 number, since 2×1409318568² = 3972357652219141248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1409318569) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27778 + ... + 59918.

It is an arithmetic number, because the mean of its divisors is an integer number (36159750).

Almost surely, 2^1409318568 is an apocalyptic number.

1409318568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1409318568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2314224000).

1409318568 is an abundant number, since it is smaller than the sum of its proper divisors (3219129432).

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

1409318568 is a wasteful number, since it uses less digits than its factorization.

1409318568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32192 (or 32182 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1409318568 is about 37540.8919446515. The cubic root of 1409318568 is about 1121.1654980445.

The spelling of 1409318568 in words is "one billion, four hundred nine million, three hundred eighteen thousand, five hundred sixty-eight".