6632436990 has 32 divisors (see below), whose sum is σ = 16039368576. Its totient is φ = 1755147680.

The previous prime is 6632436977. The next prime is 6632437039. The reversal of 6632436990 is 996342366.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 839892 + ... + 847751.

It is an arithmetic number, because the mean of its divisors is an integer number (501230268).

Almost surely, 2^6632436990 is an apocalyptic number.

6632436990 is an abundant number, since it is smaller than the sum of its proper divisors (9406931586).

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

6632436990 is a wasteful number, since it uses less digits than its factorization.

6632436990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687784.

The product of its (nonzero) digits is 1259712, while the sum is 48.

The square root of 6632436990 is about 81439.7752329904. The cubic root of 6632436990 is about 1878.8453931605.

The spelling of 6632436990 in words is "six billion, six hundred thirty-two million, four hundred thirty-six thousand, nine hundred ninety".