265842134740 has 48 divisors (see below), whose sum is σ = 687099676032. Its totient is φ = 84134653056.

The previous prime is 265842134707. The next prime is 265842134759. The reversal of 265842134740 is 47431248562.

It is a super-3 number, since 3×265842134740³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73031734 + ... + 73035373.

It is an arithmetic number, because the mean of its divisors is an integer number (14314576584).

Almost surely, 2^265842134740 is an apocalyptic number.

265842134740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265842134740 is an abundant number, since it is smaller than the sum of its proper divisors (421257541292).

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

265842134740 is a wasteful number, since it uses less digits than its factorization.

265842134740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146067136 (or 146067134 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 46.

The spelling of 265842134740 in words is "two hundred sixty-five billion, eight hundred forty-two million, one hundred thirty-four thousand, seven hundred forty".