4518628268154 has 192 divisors, whose sum is σ = 12485995941888. Its totient is φ = 1060335872640.

The previous prime is 4518628268149. The next prime is 4518628268177.

It is a happy number.

4518628268154 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2377489 + ... + 3832715.

It is an arithmetic number, because the mean of its divisors is an integer number (65031228864).

Almost surely, 2^{4518628268154} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4518628268154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6242997970944).

4518628268154 is an abundant number, since it is smaller than the sum of its proper divisors (7967367673734).

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

4518628268154 is a wasteful number, since it uses less digits than its factorization.

4518628268154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455321 (or 1455310 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 60.

The spelling of 4518628268154 in words is "four trillion, five hundred eighteen billion, six hundred twenty-eight million, two hundred sixty-eight thousand, one hundred fifty-four".