194340012040 has 32 divisors (see below), whose sum is σ = 445515315480. Its totient is φ = 76269286912.

The previous prime is 194340012029. The next prime is 194340012047. The reversal of 194340012040 is 40210043491.

194340012040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 177222476484 + 17117535556 = 420978^2 + 130834^2 .

It is not an unprimeable number, because it can be changed into a prime (194340012047) 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, 45832789 + ... + 45837028.

Almost surely, 2^194340012040 is an apocalyptic number.

194340012040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194340012040 is an abundant number, since it is smaller than the sum of its proper divisors (251175303440).

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

194340012040 is a wasteful number, since it uses less digits than its factorization.

194340012040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91669881 (or 91669877 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 194340012040 in words is "one hundred ninety-four billion, three hundred forty million, twelve thousand, forty".