265450350550 has 72 divisors (see below), whose sum is σ = 620232521328. Its totient is φ = 82737758400.

The previous prime is 265450350521. The next prime is 265450350569. The reversal of 265450350550 is 55053054562.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3091657 + ... + 3176356.

It is an arithmetic number, because the mean of its divisors is an integer number (8614340574).

Almost surely, 2^265450350550 is an apocalyptic number.

265450350550 is an abundant number, since it is smaller than the sum of its proper divisors (354782170778).

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

265450350550 is a wasteful number, since it uses less digits than its factorization.

265450350550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6268054 (or 6268038 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 265450350550 in words is "two hundred sixty-five billion, four hundred fifty million, three hundred fifty thousand, five hundred fifty".