18050714022978 has 1024 divisors, whose sum is σ = 54721142784000. Its totient is φ = 4276756205568.

The previous prime is 18050714022973. The next prime is 18050714023003. The reversal of 18050714022978 is 87922041705081.

18050714022978 is a `hidden beast` number, since 1 + 8 + 0 + 507 + 1 + 40 + 2 + 2 + 97 + 8 = 666.

It is a super-2 number, since 2×18050714022978² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (18050714022973) by changing a digit.

It is a polite number, since it can be written in 511 ways as a sum of consecutive naturals, for example, 43080462853 + ... + 43080463271.

It is an arithmetic number, because the mean of its divisors is an integer number (53438616000).

Almost surely, 2^{18050714022978} is an apocalyptic number.

18050714022978 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 18050714022978, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27360571392000).

18050714022978 is an abundant number, since it is smaller than the sum of its proper divisors (36670428761022).

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

18050714022978 is a wasteful number, since it uses less digits than its factorization.

18050714022978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 750 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 54.

The spelling of 18050714022978 in words is "eighteen trillion, fifty billion, seven hundred fourteen million, twenty-two thousand, nine hundred seventy-eight".