641132055004 has 24 divisors (see below), whose sum is σ = 1282349668320. Its totient is φ = 274752546816.

The previous prime is 641132055001. The next prime is 641132055017. The reversal of 641132055004 is 400550231146.

It is a happy number.

641132055004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641132055004² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641132055001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332509 + ... + 1180180.

It is an arithmetic number, because the mean of its divisors is an integer number (53431236180).

Almost surely, 2^641132055004 is an apocalyptic number.

It is an amenable number.

641132055004 is an abundant number, since it is smaller than the sum of its proper divisors (641217613316).

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

641132055004 is a wasteful number, since it uses less digits than its factorization.

641132055004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1527837 (or 1527835 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The spelling of 641132055004 in words is "six hundred forty-one billion, one hundred thirty-two million, fifty-five thousand, four".