5154454609920 has 2688 divisors, whose sum is σ = 23577327341568. Its totient is φ = 1010722406400.

The previous prime is 5154454609903. The next prime is 5154454609939. The reversal of 5154454609920 is 299064544515.

It is a happy number.

5154454609920 is a `hidden beast` number, since 5 + 1 + 5 + 4 + 4 + 5 + 4 + 609 + 9 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (2688).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 50043248589 + ... + 50043248691.

It is an arithmetic number, because the mean of its divisors is an integer number (8771327136).

Almost surely, 2^{5154454609920} 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 5154454609920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11788663670784).

5154454609920 is an abundant number, since it is smaller than the sum of its proper divisors (18422872731648).

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

5154454609920 is a wasteful number, since it uses less digits than its factorization.

5154454609920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 5154454609920 in words is "five trillion, one hundred fifty-four billion, four hundred fifty-four million, six hundred nine thousand, nine hundred twenty".