641051430 has 64 divisors (see below), whose sum is σ = 1576428480. Its totient is φ = 166772736.

The previous prime is 641051429. The next prime is 641051497. The reversal of 641051430 is 34150146.

641051430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 641051430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 305826 + ... + 307914.

It is an arithmetic number, because the mean of its divisors is an integer number (24631695).

Almost surely, 2^641051430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641051430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788214240).

641051430 is an abundant number, since it is smaller than the sum of its proper divisors (935377050).

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

641051430 is a wasteful number, since it uses less digits than its factorization.

641051430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 641051430 is about 25318.9934634061. The cubic root of 641051430 is about 862.2455422437.

The spelling of 641051430 in words is "six hundred forty-one million, fifty-one thousand, four hundred thirty".