104140034040 has 128 divisors (see below), whose sum is σ = 358546176000. Its totient is φ = 23703794688.

The previous prime is 104140033969. The next prime is 104140034081. The reversal of 104140034040 is 40430041401.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 104140033998 and 104140034016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58605 + ... + 460124.

It is an arithmetic number, because the mean of its divisors is an integer number (2801142000).

Almost surely, 2^104140034040 is an apocalyptic number.

104140034040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 104140034040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179273088000).

104140034040 is an abundant number, since it is smaller than the sum of its proper divisors (254406141960).

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

104140034040 is a wasteful number, since it uses less digits than its factorization.

104140034040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518989 (or 518985 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 104140034040 its reverse (40430041401), we get a palindrome (144570075441).

The spelling of 104140034040 in words is "one hundred four billion, one hundred forty million, thirty-four thousand, forty".