1140266250 has 120 divisors (see below), whose sum is σ = 3128748480. Its totient is φ = 299988000.

The previous prime is 1140266243. The next prime is 1140266251. The reversal of 1140266250 is 526620411.

1140266250 is a `hidden beast` number, since 1 + 1 + 402 + 6 + 6 + 250 = 666.

It is not an unprimeable number, because it can be changed into a prime (1140266251) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 888109 + ... + 889391.

It is an arithmetic number, because the mean of its divisors is an integer number (26072904).

Almost surely, 2^1140266250 is an apocalyptic number.

1140266250 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 1140266250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1564374240).

1140266250 is an abundant number, since it is smaller than the sum of its proper divisors (1988482230).

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

1140266250 is a wasteful number, since it uses less digits than its factorization.

1140266250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1390 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1140266250 is about 33767.8286242986. The cubic root of 1140266250 is about 1044.7252469379.

Adding to 1140266250 its reverse (526620411), we get a palindrome (1666886661).

The spelling of 1140266250 in words is "one billion, one hundred forty million, two hundred sixty-six thousand, two hundred fifty".