18041540712 has 32 divisors (see below), whose sum is σ = 48573379680. Its totient is φ = 5551243200.

The previous prime is 18041540711. The next prime is 18041540719. The reversal of 18041540712 is 21704514081.

It is not an unprimeable number, because it can be changed into a prime (18041540711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28912414 + ... + 28913037.

It is an arithmetic number, because the mean of its divisors is an integer number (1517918115).

Almost surely, 2^18041540712 is an apocalyptic number.

18041540712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18041540712 is an abundant number, since it is smaller than the sum of its proper divisors (30531838968).

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

18041540712 is a wasteful number, since it uses less digits than its factorization.

18041540712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57825473 (or 57825469 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The spelling of 18041540712 in words is "eighteen billion, forty-one million, five hundred forty thousand, seven hundred twelve".