1018459010380 has 96 divisors (see below), whose sum is σ = 2530608998400. Its totient is φ = 336875572992.

The previous prime is 1018459010377. The next prime is 1018459010383. The reversal of 1018459010380 is 830109548101.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1018459010377) and next prime (1018459010383).

It is not an unprimeable number, because it can be changed into a prime (1018459010383) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5011917 + ... + 5211163.

It is an arithmetic number, because the mean of its divisors is an integer number (26360510400).

Almost surely, 2^{1018459010380} is an apocalyptic number.

1018459010380 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 1018459010380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265304499200).

1018459010380 is an abundant number, since it is smaller than the sum of its proper divisors (1512149988020).

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

1018459010380 is a wasteful number, since it uses less digits than its factorization.

1018459010380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200551 (or 200549 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 40.

The spelling of 1018459010380 in words is "one trillion, eighteen billion, four hundred fifty-nine million, ten thousand, three hundred eighty".