6420262244 has 12 divisors (see below), whose sum is σ = 12256864368. Its totient is φ = 2918301000.

The previous prime is 6420262217. The next prime is 6420262249. The reversal of 6420262244 is 4422620246.

It is a self number, because there is not a number n which added to its sum of digits gives 6420262244.

It is not an unprimeable number, because it can be changed into a prime (6420262249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72957482 + ... + 72957569.

It is an arithmetic number, because the mean of its divisors is an integer number (1021405364).

Almost surely, 2^6420262244 is an apocalyptic number.

It is an amenable number.

6420262244 is a deficient number, since it is larger than the sum of its proper divisors (5836602124).

6420262244 is a wasteful number, since it uses less digits than its factorization.

6420262244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145915066 (or 145915064 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The square root of 6420262244 is about 80126.5389493394. The cubic root of 6420262244 is about 1858.5928235995.

The spelling of 6420262244 in words is "six billion, four hundred twenty million, two hundred sixty-two thousand, two hundred forty-four".