5450973840 has 640 divisors, whose sum is σ = 22573555200. Its totient is φ = 1194393600.

The previous prime is 5450973793. The next prime is 5450973887. The reversal of 5450973840 is 483790545.

It is an interprime number because it is at equal distance from previous prime (5450973793) and next prime (5450973887).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9069540 + ... + 9070140.

It is an arithmetic number, because the mean of its divisors is an integer number (35271180).

Almost surely, 2^5450973840 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 5450973840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11286777600).

5450973840 is an abundant number, since it is smaller than the sum of its proper divisors (17122581360).

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

5450973840 is a wasteful number, since it uses less digits than its factorization.

5450973840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The square root of 5450973840 is about 73830.7106832922. The cubic root of 5450973840 is about 1759.9136751737.

The spelling of 5450973840 in words is "five billion, four hundred fifty million, nine hundred seventy-three thousand, eight hundred forty".