1140046866 has 32 divisors (see below), whose sum is σ = 2895358080. Its totient is φ = 325727568.

The previous prime is 1140046841. The next prime is 1140046871. The reversal of 1140046866 is 6686400411.

It is a self number, because there is not a number n which added to its sum of digits gives 1140046866.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1507621 + ... + 1508376.

It is an arithmetic number, because the mean of its divisors is an integer number (90479940).

Almost surely, 2^1140046866 is an apocalyptic number.

1140046866 is an abundant number, since it is smaller than the sum of its proper divisors (1755311214).

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

1140046866 is a wasteful number, since it uses less digits than its factorization.

1140046866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3016015 (or 3016009 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 1140046866 is about 33764.5800506981. The cubic root of 1140046866 is about 1044.6582419134.

The spelling of 1140046866 in words is "one billion, one hundred forty million, forty-six thousand, eight hundred sixty-six".