190194394260 has 48 divisors (see below), whose sum is σ = 573509252736. Its totient is φ = 46817081472.

The previous prime is 190194394237. The next prime is 190194394267. The reversal of 190194394260 is 62493491091.

It is a happy number.

It is a super-3 number, since 3×190194394260³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190194394267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121918704 + ... + 121920263.

It is an arithmetic number, because the mean of its divisors is an integer number (11948109432).

Almost surely, 2^190194394260 is an apocalyptic number.

190194394260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190194394260 is an abundant number, since it is smaller than the sum of its proper divisors (383314858476).

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

190194394260 is a wasteful number, since it uses less digits than its factorization.

190194394260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243838992 (or 243838990 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The spelling of 190194394260 in words is "one hundred ninety billion, one hundred ninety-four million, three hundred ninety-four thousand, two hundred sixty".