194836497450 has 72 divisors (see below), whose sum is σ = 562083435072. Its totient is φ = 44534054880.

The previous prime is 194836497421. The next prime is 194836497451. The reversal of 194836497450 is 54794638491.

194836497450 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×194836497450² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194836497451) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13246834 + ... + 13261533.

It is an arithmetic number, because the mean of its divisors is an integer number (7806714376).

Almost surely, 2^194836497450 is an apocalyptic number.

194836497450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194836497450 is an abundant number, since it is smaller than the sum of its proper divisors (367246937622).

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

194836497450 is a wasteful number, since it uses less digits than its factorization.

194836497450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26508396 (or 26508384 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 194836497450 in words is "one hundred ninety-four billion, eight hundred thirty-six million, four hundred ninety-seven thousand, four hundred fifty".