5121573408 has 384 divisors, whose sum is σ = 18281894400. Its totient is φ = 1361608704.

The previous prime is 5121573407. The next prime is 5121573421. The reversal of 5121573408 is 8043751215.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (5121573403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11206716 + ... + 11207172.

It is an arithmetic number, because the mean of its divisors is an integer number (47609100).

Almost surely, 2^5121573408 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 5121573408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9140947200).

5121573408 is an abundant number, since it is smaller than the sum of its proper divisors (13160320992).

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

5121573408 is a wasteful number, since it uses less digits than its factorization.

5121573408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 5121573408 is about 71565.1689580902. The cubic root of 5121573408 is about 1723.7242862755.

The spelling of 5121573408 in words is "five billion, one hundred twenty-one million, five hundred seventy-three thousand, four hundred eight".