18924062038 has 32 divisors (see below), whose sum is σ = 34639013376. Its totient is φ = 7577273088.

The previous prime is 18924061987. The next prime is 18924062041. The reversal of 18924062038 is 83026042981.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 18924061985 and 18924062003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 669531 + ... + 697222.

It is an arithmetic number, because the mean of its divisors is an integer number (1082469168).

Almost surely, 2^18924062038 is an apocalyptic number.

18924062038 is a deficient number, since it is larger than the sum of its proper divisors (15714951338).

18924062038 is a wasteful number, since it uses less digits than its factorization.

18924062038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366828.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 18924062038 in words is "eighteen billion, nine hundred twenty-four million, sixty-two thousand, thirty-eight".