4581540451854 has 64 divisors (see below), whose sum is σ = 10440968186880. Its totient is φ = 1488484736640.

The previous prime is 4581540451843. The next prime is 4581540451861.

4581540451854 is a `hidden beast` number, since 4 + 5 + 8 + 1 + 540 + 45 + 1 + 8 + 54 = 666.

4581540451854 is nontrivially palindromic in base 10.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4581540451854.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3133524 + ... + 4356839.

It is an arithmetic number, because the mean of its divisors is an integer number (163140127920).

Almost surely, 2^{4581540451854} is an apocalyptic number.

4581540451854 is an abundant number, since it is smaller than the sum of its proper divisors (5859427735026).

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

4581540451854 is a wasteful number, since it uses less digits than its factorization.

4581540451854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7490662 (or 7490656 counting only the distinct ones).

The product of its (nonzero) digits is 10240000, while the sum is 54.

The spelling of 4581540451854 in words is "four trillion, five hundred eighty-one billion, five hundred forty million, four hundred fifty-one thousand, eight hundred fifty-four".