10018993836040 has 384 divisors, whose sum is σ = 26806671360000. Its totient is φ = 3359558039040.

The previous prime is 10018993836029. The next prime is 10018993836119. The reversal of 10018993836040 is 4063839981001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15485306997 + ... + 15485307643.

It is an arithmetic number, because the mean of its divisors is an integer number (69809040000).

Almost surely, 2^{10018993836040} is an apocalyptic number.

10018993836040 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 10018993836040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13403335680000).

10018993836040 is an abundant number, since it is smaller than the sum of its proper divisors (16787677523960).

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

10018993836040 is a wasteful number, since it uses less digits than its factorization.

10018993836040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1454 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 10018993836040 in words is "ten trillion, eighteen billion, nine hundred ninety-three million, eight hundred thirty-six thousand, forty".