1068140491950 has 144 divisors (see below), whose sum is σ = 3099931841664. Its totient is φ = 242684164800.

The previous prime is 1068140491937. The next prime is 1068140491973. The reversal of 1068140491950 is 591940418601.

1068140491950 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1068140491950² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1068140491950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 792345 + ... + 1662555.

It is an arithmetic number, because the mean of its divisors is an integer number (21527304456).

Almost surely, 2^{1068140491950} is an apocalyptic number.

1068140491950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1068140491950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1549965920832).

1068140491950 is an abundant number, since it is smaller than the sum of its proper divisors (2031791349714).

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

1068140491950 is a wasteful number, since it uses less digits than its factorization.

1068140491950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870407 (or 870395 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 1068140491950 in words is "one trillion, sixty-eight billion, one hundred forty million, four hundred ninety-one thousand, nine hundred fifty".