265028540 has 48 divisors (see below), whose sum is σ = 663731712. Its totient is φ = 86915136.

The previous prime is 265028527. The next prime is 265028581. The reversal of 265028540 is 45820562.

265028540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 265028497 and 265028506.

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, 37934 + ... + 44373.

It is an arithmetic number, because the mean of its divisors is an integer number (13827744).

Almost surely, 2^265028540 is an apocalyptic number.

265028540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

265028540 is an abundant number, since it is smaller than the sum of its proper divisors (398703172).

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

265028540 is a wasteful number, since it uses less digits than its factorization.

265028540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82346 (or 82344 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 265028540 is about 16279.6971716307. The cubic root of 265028540 is about 642.3388867628.

The spelling of 265028540 in words is "two hundred sixty-five million, twenty-eight thousand, five hundred forty".