194996429056 has 243 divisors, whose sum is σ = 465687165447. Its totient is φ = 81392762880.

The previous prime is 194996429051. The next prime is 194996429081. The reversal of 194996429056 is 650924699491.

The square root of 194996429056 is 441584.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 73558118656 + 121438310400 = 271216^2 + 348480^2 .

It is a super-2 number, since 2×194996429056² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (194996429051) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1010344096 + ... + 1010344288.

Almost surely, 2^194996429056 is an apocalyptic number.

194996429056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

194996429056 is the 441584-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194996429056

194996429056 is an abundant number, since it is smaller than the sum of its proper divisors (270690736391).

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

194996429056 is an equidigital number, since it uses as much as digits as its factorization.

194996429056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 37791360, while the sum is 64.

Multiplying 194996429056 by its sum of digits (64), we get a square (12479771459584 = 3532672²).

194996429056 divided by its sum of digits (64) gives a square (3046819204 = 55198²).

The spelling of 194996429056 in words is "one hundred ninety-four billion, nine hundred ninety-six million, four hundred twenty-nine thousand, fifty-six".