64567265260 has 24 divisors (see below), whose sum is σ = 135640624896. Its totient is φ = 25817502720.

The previous prime is 64567265239. The next prime is 64567265263. The reversal of 64567265260 is 6256276546.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (64567265263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531276 + ... + 641395.

It is an arithmetic number, because the mean of its divisors is an integer number (5651692704).

Almost surely, 2^64567265260 is an apocalyptic number.

It is an amenable number.

64567265260 is an abundant number, since it is smaller than the sum of its proper divisors (71073359636).

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

64567265260 is a wasteful number, since it uses less digits than its factorization.

64567265260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175433 (or 1175431 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 64567265260 in words is "sixty-four billion, five hundred sixty-seven million, two hundred sixty-five thousand, two hundred sixty".