641036352 has 112 divisors (see below), whose sum is σ = 1910145024. Its totient is φ = 187968000.

The previous prime is 641036309. The next prime is 641036377. The reversal of 641036352 is 253630146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60577 + ... + 70367.

Almost surely, 2^641036352 is an apocalyptic number.

641036352 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641036352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955072512).

641036352 is an abundant number, since it is smaller than the sum of its proper divisors (1269108672).

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

641036352 is a wasteful number, since it uses less digits than its factorization.

641036352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9848 (or 9838 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 641036352 is about 25318.6957010032. The cubic root of 641036352 is about 862.2387819747.

Adding to 641036352 its reverse (253630146), we get a palindrome (894666498).

The spelling of 641036352 in words is "six hundred forty-one million, thirty-six thousand, three hundred fifty-two".