5475392640 has 768 divisors, whose sum is σ = 22054032000. Its totient is φ = 1289945088.

The previous prime is 5475392617. The next prime is 5475392641. The reversal of 5475392640 is 462935745.

5475392640 is a `hidden beast` number, since 54 + 7 + 539 + 2 + 64 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (5475392641) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 50232906 + ... + 50233014.

Almost surely, 2^5475392640 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 5475392640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11027016000).

5475392640 is an abundant number, since it is smaller than the sum of its proper divisors (16578639360).

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

5475392640 is a wasteful number, since it uses less digits than its factorization.

5475392640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 45.

The square root of 5475392640 is about 73995.8961024191. The cubic root of 5475392640 is about 1762.5377302923.

The spelling of 5475392640 in words is "five billion, four hundred seventy-five million, three hundred ninety-two thousand, six hundred forty".