641037882 has 8 divisors (see below), whose sum is σ = 1282075776. Its totient is φ = 213679292.

The previous prime is 641037877. The next prime is 641037883. The reversal of 641037882 is 288730146.

It is a sphenic number, since it is the product of 3 distinct primes.

641037882 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 641037882.

It is not an unprimeable number, because it can be changed into a prime (641037883) 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, 53419818 + ... + 53419829.

It is an arithmetic number, because the mean of its divisors is an integer number (160259472).

Almost surely, 2^641037882 is an apocalyptic number.

641037882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

641037882 is a wasteful number, since it uses less digits than its factorization.

641037882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106839652.

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 641037882 is about 25318.7259158118. The cubic root of 641037882 is about 862.2394679599.

The spelling of 641037882 in words is "six hundred forty-one million, thirty-seven thousand, eight hundred eighty-two".