194086824040 has 64 divisors (see below), whose sum is σ = 443178812160. Its totient is φ = 76483760640.

The previous prime is 194086824031. The next prime is 194086824059. The reversal of 194086824040 is 40428680491.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3857284 + ... + 3907276.

It is an arithmetic number, because the mean of its divisors is an integer number (6924668940).

Almost surely, 2^194086824040 is an apocalyptic number.

194086824040 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 194086824040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (221589406080).

194086824040 is an abundant number, since it is smaller than the sum of its proper divisors (249091988120).

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

194086824040 is a wasteful number, since it uses less digits than its factorization.

194086824040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51442 (or 51438 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 46.

The spelling of 194086824040 in words is "one hundred ninety-four billion, eighty-six million, eight hundred twenty-four thousand, forty".