104555536440 has 128 divisors (see below), whose sum is σ = 324292792320. Its totient is φ = 26939750400.

The previous prime is 104555536439. The next prime is 104555536457. The reversal of 104555536440 is 44635555401.

It is a junction number, because it is equal to n+sod(n) for n = 104555536392 and 104555536401.

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, 2385120 + ... + 2428560.

It is an arithmetic number, because the mean of its divisors is an integer number (2533537440).

Almost surely, 2^104555536440 is an apocalyptic number.

104555536440 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 104555536440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162146396160).

104555536440 is an abundant number, since it is smaller than the sum of its proper divisors (219737255880).

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

104555536440 is a wasteful number, since it uses less digits than its factorization.

104555536440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44133 (or 44129 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 104555536440 in words is "one hundred four billion, five hundred fifty-five million, five hundred thirty-six thousand, four hundred forty".