5497246440 has 320 divisors, whose sum is σ = 22229539200. Its totient is φ = 1190287872.

The previous prime is 5497246439. The next prime is 5497246441. The reversal of 5497246440 is 446427945.

5497246440 is a `hidden beast` number, since 549 + 7 + 2 + 4 + 64 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (5497246439) and next prime (5497246441).

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 (5497246441) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 424542 + ... + 437298.

It is an arithmetic number, because the mean of its divisors is an integer number (69467310).

Almost surely, 2^5497246440 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 5497246440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11114769600).

5497246440 is an abundant number, since it is smaller than the sum of its proper divisors (16732292760).

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

5497246440 is a wasteful number, since it uses less digits than its factorization.

5497246440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12806 (or 12793 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The square root of 5497246440 is about 74143.4180490757. The cubic root of 5497246440 is about 1764.8795419454.

The spelling of 5497246440 in words is "five billion, four hundred ninety-seven million, two hundred forty-six thousand, four hundred forty".