104640533634 has 64 divisors (see below), whose sum is σ = 258071788800. Its totient is φ = 27544458240.

The previous prime is 104640533629. The next prime is 104640533681. The reversal of 104640533634 is 436335046401.

104640533634 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 104640533592 and 104640533601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100542 + ... + 468390.

It is an arithmetic number, because the mean of its divisors is an integer number (4032371700).

Almost surely, 2^104640533634 is an apocalyptic number.

104640533634 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 104640533634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129035894400).

104640533634 is an abundant number, since it is smaller than the sum of its proper divisors (153431255166).

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

104640533634 is a wasteful number, since it uses less digits than its factorization.

104640533634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368395.

The product of its (nonzero) digits is 311040, while the sum is 39.

The spelling of 104640533634 in words is "one hundred four billion, six hundred forty million, five hundred thirty-three thousand, six hundred thirty-four".