5409545856 has 512 divisors, whose sum is σ = 18095616000. Its totient is φ = 1408942080.

The previous prime is 5409545797. The next prime is 5409545861. The reversal of 5409545856 is 6585459045.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5409545799 and 5409545808.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 68475225 + ... + 68475303.

It is an arithmetic number, because the mean of its divisors is an integer number (35343000).

Almost surely, 2^5409545856 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 5409545856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9047808000).

5409545856 is an abundant number, since it is smaller than the sum of its proper divisors (12686070144).

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

5409545856 is a wasteful number, since it uses less digits than its factorization.

5409545856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 51.

The square root of 5409545856 is about 73549.6149276120. The cubic root of 5409545856 is about 1755.4438214869.

The spelling of 5409545856 in words is "five billion, four hundred nine million, five hundred forty-five thousand, eight hundred fifty-six".