1018522874880 has 924 divisors, whose sum is σ = 4262057512740. Its totient is φ = 232763424768.

The previous prime is 1018522874857. The next prime is 1018522874959. The reversal of 1018522874880 is 884782258101.

It is a happy number.

1018522874880 is a `hidden beast` number, since 1 + 0 + 1 + 85 + 2 + 2 + 87 + 488 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 270533136384 + 747989738496 = 520128^2 + 864864^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 182888736 + ... + 182894304.

Almost surely, 2^{1018522874880} is an apocalyptic number.

1018522874880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1018522874880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2131028756370).

1018522874880 is an abundant number, since it is smaller than the sum of its proper divisors (3243534637860).

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

1018522874880 is an frugal number, since it uses more digits than its factorization.

1018522874880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5626 (or 5586 counting only the distinct ones).

The product of its (nonzero) digits is 2293760, while the sum is 54.

The spelling of 1018522874880 in words is "one trillion, eighteen billion, five hundred twenty-two million, eight hundred seventy-four thousand, eight hundred eighty".