18273430087480 has 32 divisors (see below), whose sum is σ = 41990009567040. Its totient is φ = 7153853480320.

The previous prime is 18273430087457. The next prime is 18273430087531. The reversal of 18273430087480 is 8478003437281.

It is a super-3 number, since 3×18273430087480³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4859952931 + ... + 4859956690.

It is an arithmetic number, because the mean of its divisors is an integer number (1312187798970).

Almost surely, 2^{18273430087480} is an apocalyptic number.

18273430087480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18273430087480 is an abundant number, since it is smaller than the sum of its proper divisors (23716579479560).

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

18273430087480 is a wasteful number, since it uses less digits than its factorization.

18273430087480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9719909679 (or 9719909675 counting only the distinct ones).

The product of its (nonzero) digits is 7225344, while the sum is 55.

The spelling of 18273430087480 in words is "eighteen trillion, two hundred seventy-three billion, four hundred thirty million, eighty-seven thousand, four hundred eighty".