265197996 has 96 divisors (see below), whose sum is σ = 801920000. Its totient is φ = 75760272.

The previous prime is 265197983. The next prime is 265197997. The reversal of 265197996 is 699791562.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (265197997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33465 + ... + 40623.

Almost surely, 2^265197996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 265197996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400960000).

265197996 is an abundant number, since it is smaller than the sum of its proper divisors (536722004).

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

265197996 is a wasteful number, since it uses less digits than its factorization.

265197996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7193 (or 7171 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 265197996 is about 16284.9008593851. The cubic root of 265197996 is about 642.4757587992.

The spelling of 265197996 in words is "two hundred sixty-five million, one hundred ninety-seven thousand, nine hundred ninety-six".