6246640632 has 64 divisors (see below), whose sum is σ = 15937080480. Its totient is φ = 2039611392.

The previous prime is 6246640619. The next prime is 6246640637. The reversal of 6246640632 is 2360466426.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6246640637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 852408 + ... + 859704.

Almost surely, 2^6246640632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6246640632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7968540240).

6246640632 is an abundant number, since it is smaller than the sum of its proper divisors (9690439848).

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

6246640632 is a wasteful number, since it uses less digits than its factorization.

6246640632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032 (or 8028 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 39.

The square root of 6246640632 is about 79035.6921396909. The cubic root of 6246640632 is about 1841.6856630387.

The spelling of 6246640632 in words is "six billion, two hundred forty-six million, six hundred forty thousand, six hundred thirty-two".