1818380759040 has 1664 divisors, whose sum is σ = 7114013245440. Its totient is φ = 439536844800.

The previous prime is 1818380758981. The next prime is 1818380759053. The reversal of 1818380759040 is 409570838181.

1818380759040 is a `hidden beast` number, since 1 + 8 + 1 + 8 + 3 + 8 + 0 + 7 + 590 + 40 = 666.

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

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29809520610 + ... + 29809520670.

Almost surely, 2^{1818380759040} is an apocalyptic number.

1818380759040 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 1818380759040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3557006622720).

1818380759040 is an abundant number, since it is smaller than the sum of its proper divisors (5295632486400).

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

1818380759040 is a wasteful number, since it uses less digits than its factorization.

1818380759040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 54.

The spelling of 1818380759040 in words is "one trillion, eight hundred eighteen billion, three hundred eighty million, seven hundred fifty-nine thousand, forty".