265641206034064 has 120 divisors (see below), whose sum is σ = 630230594654400. Its totient is φ = 107852546753280.

The previous prime is 265641206034013. The next prime is 265641206034067. The reversal of 265641206034064 is 460430602146562.

265641206034064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a junction number, because it is equal to n+sod(n) for n = 265641206033999 and 265641206034017.

It is not an unprimeable number, because it can be changed into a prime (265641206034067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1275306277 + ... + 1275514555.

It is an arithmetic number, because the mean of its divisors is an integer number (5251921622120).

Almost surely, 2^{265641206034064} is an apocalyptic number.

It is an amenable number.

265641206034064 is an abundant number, since it is smaller than the sum of its proper divisors (364589388620336).

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

265641206034064 is a wasteful number, since it uses less digits than its factorization.

265641206034064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293941 (or 293928 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 49.

The spelling of 265641206034064 in words is "two hundred sixty-five trillion, six hundred forty-one billion, two hundred six million, thirty-four thousand, sixty-four".