265002264340 has 144 divisors (see below), whose sum is σ = 655120359936. Its totient is φ = 89200108800.

The previous prime is 265002264299. The next prime is 265002264349. The reversal of 265002264340 is 43462200562.

It is a junction number, because it is equal to n+sod(n) for n = 265002264296 and 265002264305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (265002264349) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3571054 + ... + 3644506.

It is an arithmetic number, because the mean of its divisors is an integer number (4549446944).

Almost surely, 2^265002264340 is an apocalyptic number.

265002264340 is a gapful number since it is divisible by the number (20) 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 265002264340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327560179968).

265002264340 is an abundant number, since it is smaller than the sum of its proper divisors (390118095596).

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

265002264340 is a wasteful number, since it uses less digits than its factorization.

265002264340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73550 (or 73525 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 265002264340 in words is "two hundred sixty-five billion, two million, two hundred sixty-four thousand, three hundred forty".