863001040 has 60 divisors (see below), whose sum is σ = 2205491652. Its totient is φ = 313815040.

The previous prime is 863001031. The next prime is 863001047. The reversal of 863001040 is 40100368.

863001040 is digitally balanced in base 6, 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 2 ways, for example, as 253701184 + 609299856 = 15928^2 + 24684^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863001047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34897 + ... + 54256.

Almost surely, 2^863001040 is an apocalyptic number.

863001040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

863001040 is an abundant number, since it is smaller than the sum of its proper divisors (1342490612).

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

863001040 is a wasteful number, since it uses less digits than its factorization.

863001040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89188 (or 89171 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 863001040 is about 29376.8793441373. The cubic root of 863001040 is about 952.0734178249.

The spelling of 863001040 in words is "eight hundred sixty-three million, one thousand, forty".