104421252540 has 192 divisors, whose sum is σ = 341793768960. Its totient is φ = 23537909760.

The previous prime is 104421252527. The next prime is 104421252547. The reversal of 104421252540 is 45252124401.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 104421252498 and 104421252507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104421252547) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 875196 + ... + 987324.

It is an arithmetic number, because the mean of its divisors is an integer number (1780175880).

Almost surely, 2^104421252540 is an apocalyptic number.

104421252540 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 104421252540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170896884480).

104421252540 is an abundant number, since it is smaller than the sum of its proper divisors (237372516420).

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

104421252540 is a wasteful number, since it uses less digits than its factorization.

104421252540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112252 (or 112250 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 104421252540 its reverse (45252124401), we get a palindrome (149673376941).

The spelling of 104421252540 in words is "one hundred four billion, four hundred twenty-one million, two hundred fifty-two thousand, five hundred forty".