195074040 has 192 divisors, whose sum is σ = 700761600. Its totient is φ = 42552576.

The previous prime is 195074029. The next prime is 195074059. The reversal of 195074040 is 40470591.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 195073989 and 195074007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 444141 + ... + 444579.

It is an arithmetic number, because the mean of its divisors is an integer number (3649800).

Almost surely, 2^195074040 is an apocalyptic number.

195074040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195074040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (350380800).

195074040 is an abundant number, since it is smaller than the sum of its proper divisors (505687560).

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

195074040 is a wasteful number, since it uses less digits than its factorization.

195074040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 195074040 is about 13966.8908494339. The cubic root of 195074040 is about 579.9623836088.

The spelling of 195074040 in words is "one hundred ninety-five million, seventy-four thousand, forty".