1018202340 has 96 divisors (see below), whose sum is σ = 2886073344. Its totient is φ = 268202880.

The previous prime is 1018202309. The next prime is 1018202351. The reversal of 1018202340 is 432028101.

1018202340 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3075975 + ... + 3076305.

It is an arithmetic number, because the mean of its divisors is an integer number (30063264).

Almost surely, 2^1018202340 is an apocalyptic number.

1018202340 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 1018202340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1443036672).

1018202340 is an abundant number, since it is smaller than the sum of its proper divisors (1867871004).

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

1018202340 is a wasteful number, since it uses less digits than its factorization.

1018202340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1018202340 is about 31909.2829753349. The cubic root of 1018202340 is about 1006.0310005769.

The spelling of 1018202340 in words is "one billion, eighteen million, two hundred two thousand, three hundred forty".