5409556464 has 80 divisors (see below), whose sum is σ = 15098290592. Its totient is φ = 1659101184.

The previous prime is 5409556447. The next prime is 5409556487. The reversal of 5409556464 is 4646559045.

It is a super-2 number, since 2×5409556464² = 58526602274408366592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 181464 + ... + 209160.

Almost surely, 2^5409556464 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 5409556464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7549145296).

5409556464 is an abundant number, since it is smaller than the sum of its proper divisors (9688734128).

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

5409556464 is a wasteful number, since it uses less digits than its factorization.

5409556464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28034 (or 28028 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The square root of 5409556464 is about 73549.6870421622. The cubic root of 5409556464 is about 1755.4449689484. Note that the first 3 decimals are identical.

The spelling of 5409556464 in words is "five billion, four hundred nine million, five hundred fifty-six thousand, four hundred sixty-four".