4581389104920 has 1280 divisors, whose sum is σ = 17451789189120. Its totient is φ = 1072266854400.

The previous prime is 4581389104907. The next prime is 4581389104979. The reversal of 4581389104920 is 294019831854.

It is a happy number.

4581389104920 is a `hidden beast` number, since 4 + 5 + 8 + 138 + 9 + 10 + 492 + 0 = 666.

It is a super-2 number, since 2×4581389104920² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 8023448235 + ... + 8023448805.

It is an arithmetic number, because the mean of its divisors is an integer number (13634210304).

Almost surely, 2^{4581389104920} is an apocalyptic number.

4581389104920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4581389104920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8725894594560).

4581389104920 is an abundant number, since it is smaller than the sum of its proper divisors (12870400084200).

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

4581389104920 is a wasteful number, since it uses less digits than its factorization.

4581389104920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 4581389104920 in words is "four trillion, five hundred eighty-one billion, three hundred eighty-nine million, one hundred four thousand, nine hundred twenty".