194333428630 has 128 divisors (see below), whose sum is σ = 392302310400. Its totient is φ = 68719411200.

The previous prime is 194333428607. The next prime is 194333428637. The reversal of 194333428630 is 36824333491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194333428637) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 252708886 + ... + 252709654.

It is an arithmetic number, because the mean of its divisors is an integer number (3064861800).

Almost surely, 2^194333428630 is an apocalyptic number.

194333428630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194333428630 is an abundant number, since it is smaller than the sum of its proper divisors (197968881770).

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

194333428630 is a wasteful number, since it uses less digits than its factorization.

194333428630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1270.

The product of its (nonzero) digits is 1119744, while the sum is 46.

The spelling of 194333428630 in words is "one hundred ninety-four billion, three hundred thirty-three million, four hundred twenty-eight thousand, six hundred thirty".