195162840 has 48 divisors (see below), whose sum is σ = 634280400. Its totient is φ = 52043328.

The previous prime is 195162833. The next prime is 195162871. The reversal of 195162840 is 48261591.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 195162795 and 195162804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 270700 + ... + 271419.

It is an arithmetic number, because the mean of its divisors is an integer number (13214175).

Almost surely, 2^195162840 is an apocalyptic number.

195162840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195162840 is an abundant number, since it is smaller than the sum of its proper divisors (439117560).

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

195162840 is a wasteful number, since it uses less digits than its factorization.

195162840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542136 (or 542129 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 195162840 is about 13970.0694343300. The cubic root of 195162840 is about 580.0503721610.

The spelling of 195162840 in words is "one hundred ninety-five million, one hundred sixty-two thousand, eight hundred forty".