1011433240 has 16 divisors (see below), whose sum is σ = 2275724880. Its totient is φ = 404573280.

The previous prime is 1011433237. The next prime is 1011433271. The reversal of 1011433240 is 423341101.

1011433240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12642876 + ... + 12642955.

It is an arithmetic number, because the mean of its divisors is an integer number (142232805).

Almost surely, 2^1011433240 is an apocalyptic number.

1011433240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011433240 is an abundant number, since it is smaller than the sum of its proper divisors (1264291640).

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

1011433240 is a wasteful number, since it uses less digits than its factorization.

1011433240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25285842 (or 25285838 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1011433240 is about 31803.0382196418. The cubic root of 1011433240 is about 1003.7966472275.

Adding to 1011433240 its reverse (423341101), we get a palindrome (1434774341).

It can be divided in two parts, 101 and 1433240, that added together give a palindrome (1433341).

The spelling of 1011433240 in words is "one billion, eleven million, four hundred thirty-three thousand, two hundred forty".