18058687480 has 16 divisors (see below), whose sum is σ = 40632046920. Its totient is φ = 7223474976.

The previous prime is 18058687453. The next prime is 18058687487. The reversal of 18058687480 is 8478685081.

It is a happy number.

It is a super-2 number, since 2×18058687480² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18058687487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225733554 + ... + 225733633.

Almost surely, 2^18058687480 is an apocalyptic number.

18058687480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18058687480 is an abundant number, since it is smaller than the sum of its proper divisors (22573359440).

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

18058687480 is a wasteful number, since it uses less digits than its factorization.

18058687480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451467198 (or 451467194 counting only the distinct ones).

The product of its (nonzero) digits is 3440640, while the sum is 55.

The spelling of 18058687480 in words is "eighteen billion, fifty-eight million, six hundred eighty-seven thousand, four hundred eighty".