968018640 has 40 divisors (see below), whose sum is σ = 3000858528. Its totient is φ = 258138240.

The previous prime is 968018629. The next prime is 968018663. The reversal of 968018640 is 46810869.

968018640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 968018592 and 968018601.

It is a congruent number.

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, 2016466 + ... + 2016945.

Almost surely, 2^968018640 is an apocalyptic number.

It is an amenable number.

968018640 is an abundant number, since it is smaller than the sum of its proper divisors (2032839888).

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

968018640 is a wasteful number, since it uses less digits than its factorization.

968018640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4033427 (or 4033421 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 968018640 is about 31112.9979269115. The cubic root of 968018640 is about 989.2238381317.

The spelling of 968018640 in words is "nine hundred sixty-eight million, eighteen thousand, six hundred forty".