1140256250 has 96 divisors (see below), whose sum is σ = 2486090880. Its totient is φ = 384120000.

The previous prime is 1140256223. The next prime is 1140256261. The reversal of 1140256250 is 526520411.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2931056 + ... + 2931444.

It is an arithmetic number, because the mean of its divisors is an integer number (25896780).

Almost surely, 2^1140256250 is an apocalyptic number.

1140256250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1140256250 is an abundant number, since it is smaller than the sum of its proper divisors (1345834630).

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

1140256250 is an frugal number, since it uses more digits than its factorization.

1140256250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490 (or 470 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1140256250 is about 33767.6805540446. The cubic root of 1140256250 is about 1044.7221928900.

Adding to 1140256250 its reverse (526520411), we get a palindrome (1666776661).

The spelling of 1140256250 in words is "one billion, one hundred forty million, two hundred fifty-six thousand, two hundred fifty".