5451684480 has 1024 divisors, whose sum is σ = 23265792000. Its totient is φ = 1192181760.

The previous prime is 5451684449. The next prime is 5451684493. The reversal of 5451684480 is 844861545.

It is a happy number.

5451684480 is a `hidden beast` number, since 5 + 4 + 5 + 168 + 4 + 480 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 126783339 + ... + 126783381.

It is an arithmetic number, because the mean of its divisors is an integer number (22720500).

Almost surely, 2^5451684480 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 5451684480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11632896000).

5451684480 is an abundant number, since it is smaller than the sum of its proper divisors (17814107520).

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

5451684480 is a wasteful number, since it uses less digits than its factorization.

5451684480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 116 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 45.

The square root of 5451684480 is about 73835.5231578947. The cubic root of 5451684480 is about 1759.9901514600.

The spelling of 5451684480 in words is "five billion, four hundred fifty-one million, six hundred eighty-four thousand, four hundred eighty".