195801424290 has 48 divisors (see below), whose sum is σ = 509427330048. Its totient is φ = 52178469408.

The previous prime is 195801424289. The next prime is 195801424303. The reversal of 195801424290 is 92424108591.

It is a happy number.

195801424290 is a `hidden beast` number, since 1 + 9 + 5 + 80 + 142 + 429 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 600034 + ... + 866973.

It is an arithmetic number, because the mean of its divisors is an integer number (10613069376).

Almost surely, 2^195801424290 is an apocalyptic number.

195801424290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

195801424290 is an abundant number, since it is smaller than the sum of its proper divisors (313625905758).

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

195801424290 is a wasteful number, since it uses less digits than its factorization.

195801424290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468503 (or 1468500 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 195801424290 in words is "one hundred ninety-five billion, eight hundred one million, four hundred twenty-four thousand, two hundred ninety".