4531266621354 has 384 divisors, whose sum is σ = 10612965275136. Its totient is φ = 1287373824000.

The previous prime is 4531266621353. The next prime is 4531266621361.

4531266621354 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (4531266621353) 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 191 ways as a sum of consecutive naturals, for example, 27133332979 + ... + 27133333145.

It is an arithmetic number, because the mean of its divisors is an integer number (27637930404).

Almost surely, 2^{4531266621354} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4531266621354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5306482637568).

4531266621354 is an abundant number, since it is smaller than the sum of its proper divisors (6081698653782).

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

4531266621354 is a wasteful number, since it uses less digits than its factorization.

4531266621354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 531 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 48.

It can be divided in two parts, 45312 and 66621354, that added together give a palindrome (66666666).

The spelling of 4531266621354 in words is "four trillion, five hundred thirty-one billion, two hundred sixty-six million, six hundred twenty-one thousand, three hundred fifty-four".