1011783040 has 32 divisors (see below), whose sum is σ = 2418795360. Its totient is φ = 404712960.

The previous prime is 1011783037. The next prime is 1011783083. The reversal of 1011783040 is 403871101.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 1011782996 and 1011783014.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789816 + ... + 791095.

It is an arithmetic number, because the mean of its divisors is an integer number (75587355).

Almost surely, 2^1011783040 is an apocalyptic number.

1011783040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1011783040 is an abundant number, since it is smaller than the sum of its proper divisors (1407012320).

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

1011783040 is an equidigital number, since it uses as much as digits as its factorization.

1011783040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1580930 (or 1580918 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 1011783040 is about 31808.5372188034. The cubic root of 1011783040 is about 1003.9123535284.

The spelling of 1011783040 in words is "one billion, eleven million, seven hundred eighty-three thousand, forty".