104440002154488 has 640 divisors, whose sum is σ = 393554145600000. Its totient is φ = 24990301025280.

The previous prime is 104440002154471. The next prime is 104440002154549. The reversal of 104440002154488 is 884451200044401.

It is a happy number.

104440002154488 is a `hidden beast` number, since 1 + 0 + 4 + 4 + 4 + 0 + 0 + 0 + 21 + 544 + 88 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 323514018 + ... + 323836686.

It is an arithmetic number, because the mean of its divisors is an integer number (614928352500).

Almost surely, 2^{104440002154488} is an apocalyptic number.

104440002154488 is a gapful number since it is divisible by the number (18) 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 104440002154488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (196777072800000).

104440002154488 is an abundant number, since it is smaller than the sum of its proper divisors (289114143445512).

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

104440002154488 is a wasteful number, since it uses less digits than its factorization.

104440002154488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323217 (or 323204 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 45.

Adding to 104440002154488 its reverse (884451200044401), we get a palindrome (988891202198889).

The spelling of 104440002154488 in words is "one hundred four trillion, four hundred forty billion, two million, one hundred fifty-four thousand, four hundred eighty-eight".