481235726786418 has 40 divisors (see below), whose sum is σ = 1078336579583340. Its totient is φ = 160410111804000.

The previous prime is 481235726786417. The next prime is 481235726786447. The reversal of 481235726786418 is 814687627532184.

481235726786418 is a `hidden beast` number, since 4 + 8 + 1 + 2 + 3 + 5 + 72 + 67 + 86 + 418 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 480986612999649 + 249113786769 = 21931407^2 + 499113^2 .

It is not an unprimeable number, because it can be changed into a prime (481235726786417) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2096133 + ... + 31094456.

Almost surely, 2^{481235726786418} is an apocalyptic number.

481235726786418 is an abundant number, since it is smaller than the sum of its proper divisors (597100852796922).

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

481235726786418 is a wasteful number, since it uses less digits than its factorization.

481235726786418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33280104 (or 33280095 counting only the distinct ones).

The product of its digits is 867041280, while the sum is 72.

The spelling of 481235726786418 in words is "four hundred eighty-one trillion, two hundred thirty-five billion, seven hundred twenty-six million, seven hundred eighty-six thousand, four hundred eighteen".