194500013824 has 72 divisors (see below), whose sum is σ = 390951792000. Its totient is φ = 96572353536.

The previous prime is 194500013821. The next prime is 194500013831. The reversal of 194500013824 is 428310005491.

It is a super-2 number, since 2×194500013824² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194500013821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38443807 + ... + 38448865.

It is an arithmetic number, because the mean of its divisors is an integer number (5429886000).

Almost surely, 2^194500013824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194500013824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195475896000).

194500013824 is an abundant number, since it is smaller than the sum of its proper divisors (196451778176).

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

194500013824 is an equidigital number, since it uses as much as digits as its factorization.

194500013824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093 (or 6079 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The spelling of 194500013824 in words is "one hundred ninety-four billion, five hundred million, thirteen thousand, eight hundred twenty-four".