5454220907520 has 1408 divisors, whose sum is σ = 24947277004800. Its totient is φ = 1096718745600.

The previous prime is 5454220907483. The next prime is 5454220907521. The reversal of 5454220907520 is 257090224545.

5454220907520 is a `hidden beast` number, since 5 + 454 + 2 + 20 + 90 + 75 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (1408).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5454220907521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 329970616 + ... + 329987144.

Almost surely, 2^{5454220907520} 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 5454220907520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12473638502400).

5454220907520 is an abundant number, since it is smaller than the sum of its proper divisors (19493056097280).

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

5454220907520 is a wasteful number, since it uses less digits than its factorization.

5454220907520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16612 (or 16588 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 45.

The spelling of 5454220907520 in words is "five trillion, four hundred fifty-four billion, two hundred twenty million, nine hundred seven thousand, five hundred twenty".