860413640 has 32 divisors (see below), whose sum is σ = 1953073080. Its totient is φ = 341117952.

The previous prime is 860413583. The next prime is 860413657. The reversal of 860413640 is 46314068.

860413640 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 128278276 + 732135364 = 11326^2 + 27058^2 .

It is a junction number, because it is equal to n+sod(n) for n = 860413597 and 860413606.

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, 90659 + ... + 99698.

Almost surely, 2^860413640 is an apocalyptic number.

It is an amenable number.

860413640 is an abundant number, since it is smaller than the sum of its proper divisors (1092659440).

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

860413640 is a wasteful number, since it uses less digits than its factorization.

860413640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190481 (or 190477 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 860413640 is about 29332.8082528762. The cubic root of 860413640 is about 951.1209814526.

The spelling of 860413640 in words is "eight hundred sixty million, four hundred thirteen thousand, six hundred forty".