265431796 has 96 divisors (see below), whose sum is σ = 572866560. Its totient is φ = 105235200.

The previous prime is 265431773. The next prime is 265431811. The reversal of 265431796 is 697134562.

Its product of digits (272160) is a multiple of the sum of its prime divisors (243).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3636016 + ... + 3636088.

It is an arithmetic number, because the mean of its divisors is an integer number (5967360).

Almost surely, 2^265431796 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 265431796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286433280).

265431796 is an abundant number, since it is smaller than the sum of its proper divisors (307434764).

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

265431796 is a wasteful number, since it uses less digits than its factorization.

265431796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245 (or 243 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 265431796 is about 16292.0777066647. The cubic root of 265431796 is about 642.6645067209.

The spelling of 265431796 in words is "two hundred sixty-five million, four hundred thirty-one thousand, seven hundred ninety-six".