194414081004 has 288 divisors, whose sum is σ = 612377962560. Its totient is φ = 51093504000.

The previous prime is 194414080979. The next prime is 194414081033. The reversal of 194414081004 is 400180414491.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 194414081004.

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, 61347132 + ... + 61350300.

It is an arithmetic number, because the mean of its divisors is an integer number (2126312370).

Almost surely, 2^194414081004 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 194414081004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306188981280).

194414081004 is an abundant number, since it is smaller than the sum of its proper divisors (417963881556).

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

194414081004 is a wasteful number, since it uses less digits than its factorization.

194414081004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3921 (or 3916 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

Adding to 194414081004 its reverse (400180414491), we get a palindrome (594594495495).

The spelling of 194414081004 in words is "one hundred ninety-four billion, four hundred fourteen million, eighty-one thousand, four".