18030141301640 has 32 divisors (see below), whose sum is σ = 43688419309080. Its totient is φ = 6657282941952.

The previous prime is 18030141301639. The next prime is 18030141301649. The reversal of 18030141301640 is 4610314103081.

It can be written as a sum of positive squares in 4 ways, for example, as 16310596895044 + 1719544406596 = 4038638^2 + 1311314^2 .

It is a junction number, because it is equal to n+sod(n) for n = 18030141301597 and 18030141301606.

It is not an unprimeable number, because it can be changed into a prime (18030141301649) 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, 17336673809 + ... + 17336674848.

Almost surely, 2^{18030141301640} is an apocalyptic number.

18030141301640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18030141301640 is an abundant number, since it is smaller than the sum of its proper divisors (25658278007440).

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

18030141301640 is a wasteful number, since it uses less digits than its factorization.

18030141301640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34673348681 (or 34673348677 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 18030141301640 in words is "eighteen trillion, thirty billion, one hundred forty-one million, three hundred one thousand, six hundred forty".