641041562 has 8 divisors (see below), whose sum is σ = 1098928416. Its totient is φ = 274732092.

The previous prime is 641041561. The next prime is 641041571. The reversal of 641041562 is 265140146.

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

It is a super-2 number, since 2×641041562² = 821868568422799688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641041561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22894328 + ... + 22894355.

It is an arithmetic number, because the mean of its divisors is an integer number (137366052).

Almost surely, 2^641041562 is an apocalyptic number.

641041562 is a deficient number, since it is larger than the sum of its proper divisors (457886854).

641041562 is a wasteful number, since it uses less digits than its factorization.

641041562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45788692.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 641041562 is about 25318.7985891906. The cubic root of 641041562 is about 862.2411179067.

The spelling of 641041562 in words is "six hundred forty-one million, forty-one thousand, five hundred sixty-two".