265372152242 has 18 divisors (see below), whose sum is σ = 399383798943. Its totient is φ = 132245684572.

The previous prime is 265372152229. The next prime is 265372152343. The reversal of 265372152242 is 242251273562.

It can be written as a sum of positive squares in only one way, i.e., 132686076121 + 132686076121 = 364261^2 + 364261^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=364261.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 265372152242.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 410157563 + ... + 410158209.

Almost surely, 2^265372152242 is an apocalyptic number.

265372152242 is a deficient number, since it is larger than the sum of its proper divisors (134011646701).

265372152242 is an frugal number, since it uses more digits than its factorization.

265372152242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2422 (or 1212 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The spelling of 265372152242 in words is "two hundred sixty-five billion, three hundred seventy-two million, one hundred fifty-two thousand, two hundred forty-two".