265303020556340 has 96 divisors (see below), whose sum is σ = 614514558873600. Its totient is φ = 95599113140736.

The previous prime is 265303020556339. The next prime is 265303020556363. The reversal of 265303020556340 is 43655020303562.

It is a super-2 number, since 2×265303020556340² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 265303020556291 and 265303020556300.

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, 26839172 + ... + 35368731.

It is an arithmetic number, because the mean of its divisors is an integer number (6401193321600).

Almost surely, 2^{265303020556340} is an apocalyptic number.

265303020556340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265303020556340 is an abundant number, since it is smaller than the sum of its proper divisors (349211538317260).

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

265303020556340 is a wasteful number, since it uses less digits than its factorization.

265303020556340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62208321 (or 62208319 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 44.

The spelling of 265303020556340 in words is "two hundred sixty-five trillion, three hundred three billion, twenty million, five hundred fifty-six thousand, three hundred forty".