196575840 has 72 divisors (see below), whose sum is σ = 670819968. Its totient is φ = 52419840.

The previous prime is 196575839. The next prime is 196575851. The reversal of 196575840 is 48575691.

196575840 is a `hidden beast` number, since 1 + 9 + 65 + 7 + 584 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66816 + ... + 69695.

It is an arithmetic number, because the mean of its divisors is an integer number (9316944).

Almost surely, 2^196575840 is an apocalyptic number.

196575840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196575840 is an abundant number, since it is smaller than the sum of its proper divisors (474244128).

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

196575840 is a wasteful number, since it uses less digits than its factorization.

196575840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136532 (or 136521 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 45.

The square root of 196575840 is about 14020.5506311272. The cubic root of 196575840 is about 581.4468830087.

The spelling of 196575840 in words is "one hundred ninety-six million, five hundred seventy-five thousand, eight hundred forty".