265240663155050 has 96 divisors (see below), whose sum is σ = 546944250273984. Its totient is φ = 94890273984000.

The previous prime is 265240663155037. The next prime is 265240663155059. The reversal of 265240663155050 is 50551366042562.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 265240663155050.

It is not an unprimeable number, because it can be changed into a prime (265240663155059) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 7619345 + ... + 24259755.

It is an arithmetic number, because the mean of its divisors is an integer number (5697335940354).

Almost surely, 2^{265240663155050} is an apocalyptic number.

265240663155050 is an abundant number, since it is smaller than the sum of its proper divisors (281703587118934).

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

265240663155050 is a wasteful number, since it uses less digits than its factorization.

265240663155050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16640904 (or 16640899 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 50.

The spelling of 265240663155050 in words is "two hundred sixty-five trillion, two hundred forty billion, six hundred sixty-three million, one hundred fifty-five thousand, fifty".