5397511680 has 640 divisors, whose sum is σ = 21684326400. Its totient is φ = 1260748800.

The previous prime is 5397511667. The next prime is 5397511727. The reversal of 5397511680 is 861157935.

It is a happy number.

5397511680 is a `hidden beast` number, since 53 + 9 + 7 + 511 + 6 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (640).

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 63 ways as a sum of consecutive naturals, for example, 23569806 + ... + 23570034.

It is an arithmetic number, because the mean of its divisors is an integer number (33881760).

Almost surely, 2^5397511680 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 5397511680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10842163200).

5397511680 is an abundant number, since it is smaller than the sum of its proper divisors (16286814720).

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

5397511680 is a wasteful number, since it uses less digits than its factorization.

5397511680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 5397511680 is about 73467.7594595071. The cubic root of 5397511680 is about 1754.1411240506.

The spelling of 5397511680 in words is "five billion, three hundred ninety-seven million, five hundred eleven thousand, six hundred eighty".