1818878084352 has 360 divisors, whose sum is σ = 6398323323392. Its totient is φ = 502914355200.

The previous prime is 1818878084339. The next prime is 1818878084363. The reversal of 1818878084352 is 2534808788181.

1818878084352 is a `hidden beast` number, since 18 + 188 + 7 + 8 + 0 + 8 + 435 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 1818878084352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4297602 + ... + 4701822.

Almost surely, 2^{1818878084352} is an apocalyptic number.

1818878084352 is a gapful number since it is divisible by the number (12) 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 1818878084352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3199161661696).

1818878084352 is an abundant number, since it is smaller than the sum of its proper divisors (4579445239040).

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

1818878084352 is an equidigital number, since it uses as much as digits as its factorization.

1818878084352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404287 (or 404264 counting only the distinct ones).

The product of its (nonzero) digits is 27525120, while the sum is 63.

The spelling of 1818878084352 in words is "one trillion, eight hundred eighteen billion, eight hundred seventy-eight million, eighty-four thousand, three hundred fifty-two".