196775040 has 320 divisors, whose sum is σ = 788500800. Its totient is φ = 40888320.

The previous prime is 196775023. The next prime is 196775053. The reversal of 196775040 is 40577691.

It is a tau number, because it is divible by the number of its divisors (320).

It is a self number, because there is not a number n which added to its sum of digits gives 196775040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 17888635 + ... + 17888645.

It is an arithmetic number, because the mean of its divisors is an integer number (2464065).

Almost surely, 2^196775040 is an apocalyptic number.

196775040 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 196775040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394250400).

196775040 is an abundant number, since it is smaller than the sum of its proper divisors (591725760).

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

196775040 is an frugal number, since it uses more digits than its factorization.

196775040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 196775040 is about 14027.6526903114. The cubic root of 196775040 is about 581.6432196451.

The spelling of 196775040 in words is "one hundred ninety-six million, seven hundred seventy-five thousand, forty".