1140241640 has 16 divisors (see below), whose sum is σ = 2565543780. Its totient is φ = 456096640.

The previous prime is 1140241631. The next prime is 1140241643. The reversal of 1140241640 is 461420411.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 960628036 + 179613604 = 30994^2 + 13402^2 .

It is not an unprimeable number, because it can be changed into a prime (1140241643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14252981 + ... + 14253060.

Almost surely, 2^1140241640 is an apocalyptic number.

1140241640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1140241640 is an abundant number, since it is smaller than the sum of its proper divisors (1425302140).

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

1140241640 is a wasteful number, since it uses less digits than its factorization.

1140241640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28506052 (or 28506048 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1140241640 is about 33767.4642222362. The cubic root of 1140241640 is about 1044.7177308940.

The spelling of 1140241640 in words is "one billion, one hundred forty million, two hundred forty-one thousand, six hundred forty".