1011536840 has 32 divisors (see below), whose sum is σ = 2284443000. Its totient is φ = 403106304.

The previous prime is 1011536807. The next prime is 1011536857. The reversal of 1011536840 is 486351101.

1011536840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 236359876 + 775176964 = 15374^2 + 27842^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36245 + ... + 57764.

Almost surely, 2^1011536840 is an apocalyptic number.

1011536840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011536840 is an abundant number, since it is smaller than the sum of its proper divisors (1272906160).

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

1011536840 is a wasteful number, since it uses less digits than its factorization.

1011536840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94289 (or 94285 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 1011536840 is about 31804.6669531376. Note that the first 3 decimals coincide. The cubic root of 1011536840 is about 1003.8309186548.

Adding to 1011536840 its reverse (486351101), we get a palindrome (1497887941).

The spelling of 1011536840 in words is "one billion, eleven million, five hundred thirty-six thousand, eight hundred forty".