1011442240 has 28 divisors (see below), whose sum is σ = 2408497596. Its totient is φ = 404576768.

The previous prime is 1011442171. The next prime is 1011442241. The reversal of 1011442240 is 422441101.

It can be written as a sum of positive squares in 2 ways, for example, as 574465024 + 436977216 = 23968^2 + 20904^2 .

It is not an unprimeable number, because it can be changed into a prime (1011442241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1580059 + ... + 1580698.

Almost surely, 2^1011442240 is an apocalyptic number.

1011442240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011442240 is an abundant number, since it is smaller than the sum of its proper divisors (1397055356).

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

1011442240 is an equidigital number, since it uses as much as digits as its factorization.

1011442240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160774 (or 3160764 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1011442240 is about 31803.1797152423. The cubic root of 1011442240 is about 1003.7996245679.

Adding to 1011442240 its reverse (422441101), we get a palindrome (1433883341).

The spelling of 1011442240 in words is "one billion, eleven million, four hundred forty-two thousand, two hundred forty".