10421441779500 has 288 divisors, whose sum is σ = 33048869241024. Its totient is φ = 2764486656000.

The previous prime is 10421441779453. The next prime is 10421441779513. The reversal of 10421441779500 is 597714412401.

10421441779500 is a `hidden beast` number, since 1 + 0 + 4 + 21 + 44 + 17 + 79 + 500 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 798999979 + ... + 799013021.

It is an arithmetic number, because the mean of its divisors is an integer number (114753018198).

Almost surely, 2^{10421441779500} is an apocalyptic number.

10421441779500 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 10421441779500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16524434620512).

10421441779500 is an abundant number, since it is smaller than the sum of its proper divisors (22627427461524).

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

10421441779500 is a wasteful number, since it uses less digits than its factorization.

10421441779500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13986 (or 13971 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 45.

The spelling of 10421441779500 in words is "ten trillion, four hundred twenty-one billion, four hundred forty-one million, seven hundred seventy-nine thousand, five hundred".