641042382 has 8 divisors (see below), whose sum is σ = 1282084776. Its totient is φ = 213680792.

The previous prime is 641042371. The next prime is 641042383. The reversal of 641042382 is 283240146.

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

641042382 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641042383) 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, 53420193 + ... + 53420204.

It is an arithmetic number, because the mean of its divisors is an integer number (160260597).

Almost surely, 2^641042382 is an apocalyptic number.

641042382 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.

641042382 is a wasteful number, since it uses less digits than its factorization.

641042382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106840402.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 641042382 is about 25318.8147826868. The cubic root of 641042382 is about 862.2414855570.

The spelling of 641042382 in words is "six hundred forty-one million, forty-two thousand, three hundred eighty-two".