6361830440 has 64 divisors (see below), whose sum is σ = 17321299200. Its totient is φ = 2052891648.

The previous prime is 6361830407. The next prime is 6361830443. The reversal of 6361830440 is 440381636.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 6361830440.

It is not an unprimeable number, because it can be changed into a prime (6361830443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663500 + ... + 673019.

It is an arithmetic number, because the mean of its divisors is an integer number (270645300).

Almost surely, 2^6361830440 is an apocalyptic number.

It is an amenable number.

6361830440 is an abundant number, since it is smaller than the sum of its proper divisors (10959468760).

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

6361830440 is a wasteful number, since it uses less digits than its factorization.

6361830440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1336554 (or 1336550 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 6361830440 is about 79761.0834931422. The cubic root of 6361830440 is about 1852.9371837878.

The spelling of 6361830440 in words is "six billion, three hundred sixty-one million, eight hundred thirty thousand, four hundred forty".