265053065406 has 16 divisors (see below), whose sum is σ = 553154223744. Its totient is φ = 84509672984.

The previous prime is 265053065377. The next prime is 265053065423. The reversal of 265053065406 is 604560350562.

It is a super-2 number, since 2×265053065406² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960337056 + ... + 960337331.

It is an arithmetic number, because the mean of its divisors is an integer number (34572138984).

Almost surely, 2^265053065406 is an apocalyptic number.

265053065406 is an abundant number, since it is smaller than the sum of its proper divisors (288101158338).

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

265053065406 is a wasteful number, since it uses less digits than its factorization.

265053065406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920674415.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 265053065406 in words is "two hundred sixty-five billion, fifty-three million, sixty-five thousand, four hundred six".