1081710640 has 40 divisors (see below), whose sum is σ = 2568496320. Its totient is φ = 423476736.

The previous prime is 1081710613. The next prime is 1081710671. The reversal of 1081710640 is 460171801.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1081710599 and 1081710608.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 140085 + ... + 147604.

It is an arithmetic number, because the mean of its divisors is an integer number (64212408).

Almost surely, 2^1081710640 is an apocalyptic number.

1081710640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1081710640 is an abundant number, since it is smaller than the sum of its proper divisors (1486785680).

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

1081710640 is a wasteful number, since it uses less digits than its factorization.

1081710640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287749 (or 287743 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 1081710640 is about 32889.3697112000. The cubic root of 1081710640 is about 1026.5269773027.

The spelling of 1081710640 in words is "one billion, eighty-one million, seven hundred ten thousand, six hundred forty".