5197449600 has 864 divisors, whose sum is σ = 22493203200. Its totient is φ = 1137991680.

The previous prime is 5197449599. The next prime is 5197449619. The reversal of 5197449600 is 69447915.

5197449600 is a `hidden beast` number, since 519 + 7 + 44 + 96 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 40924737 + ... + 40924863.

It is an arithmetic number, because the mean of its divisors is an integer number (26033800).

Almost surely, 2^5197449600 is an apocalyptic number.

5197449600 is a gapful number since it is divisible by the number (50) 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 5197449600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11246601600).

5197449600 is an abundant number, since it is smaller than the sum of its proper divisors (17295753600).

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

5197449600 is a wasteful number, since it uses less digits than its factorization.

5197449600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 5197449600 is about 72093.3394981811. The cubic root of 5197449600 is about 1732.1949263872.

The spelling of 5197449600 in words is "five billion, one hundred ninety-seven million, four hundred forty-nine thousand, six hundred".