18240770358 has 48 divisors (see below), whose sum is σ = 40533214176. Its totient is φ = 5924983680.

The previous prime is 18240770321. The next prime is 18240770423. The reversal of 18240770358 is 85307704281.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 633135 + ... + 661317.

It is an arithmetic number, because the mean of its divisors is an integer number (844441962).

Almost surely, 2^18240770358 is an apocalyptic number.

18240770358 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

18240770358 is an abundant number, since it is smaller than the sum of its proper divisors (22292443818).

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

18240770358 is a wasteful number, since it uses less digits than its factorization.

18240770358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29109 (or 29106 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 45.

The spelling of 18240770358 in words is "eighteen billion, two hundred forty million, seven hundred seventy thousand, three hundred fifty-eight".