641140326024 has 128 divisors (see below), whose sum is σ = 1761150504960. Its totient is φ = 192888000000.

The previous prime is 641140326017. The next prime is 641140326083. The reversal of 641140326024 is 420623041146.

It is a happy number.

641140326024 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641140326024² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 93716844 + ... + 93723684.

It is an arithmetic number, because the mean of its divisors is an integer number (13758988320).

Almost surely, 2^641140326024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641140326024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (880575252480).

641140326024 is an abundant number, since it is smaller than the sum of its proper divisors (1120010178936).

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

641140326024 is a wasteful number, since it uses less digits than its factorization.

641140326024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9363 (or 9359 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The spelling of 641140326024 in words is "six hundred forty-one billion, one hundred forty million, three hundred twenty-six thousand, twenty-four".