5451546240 has 640 divisors, whose sum is σ = 22642139520. Its totient is φ = 1224253440.

The previous prime is 5451546229. The next prime is 5451546241. The reversal of 5451546240 is 426451545.

5451546240 is a `hidden beast` number, since 545 + 1 + 54 + 62 + 4 + 0 = 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 (36).

It is a junction number, because it is equal to n+sod(n) for n = 5451546195 and 5451546204.

It is not an unprimeable number, because it can be changed into a prime (5451546241) 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, 30118950 + ... + 30119130.

It is an arithmetic number, because the mean of its divisors is an integer number (35378343).

Almost surely, 2^5451546240 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 5451546240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11321069760).

5451546240 is an abundant number, since it is smaller than the sum of its proper divisors (17190593280).

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

5451546240 is a wasteful number, since it uses less digits than its factorization.

5451546240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

The square root of 5451546240 is about 73834.5870171968. The cubic root of 5451546240 is about 1759.9752751348.

Adding to 5451546240 its reverse (426451545), we get a palindrome (5877997785).

The spelling of 5451546240 in words is "five billion, four hundred fifty-one million, five hundred forty-six thousand, two hundred forty".