3480018181872 has 40 divisors (see below), whose sum is σ = 9233021216976. Its totient is φ = 1128654544896.

The previous prime is 3480018181867. The next prime is 3480018181873. The reversal of 3480018181872 is 2781818100843.

It is a super-2 number, since 2×3480018181872² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3480018181873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979733073 + ... + 979736624.

Almost surely, 2^{3480018181872} is an apocalyptic number.

It is an amenable number.

3480018181872 is an abundant number, since it is smaller than the sum of its proper divisors (5753003035104).

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

3480018181872 is a wasteful number, since it uses less digits than its factorization.

3480018181872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959469745 (or 1959469739 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 51.

The spelling of 3480018181872 in words is "three trillion, four hundred eighty billion, eighteen million, one hundred eighty-one thousand, eight hundred seventy-two".