64242240260 has 48 divisors (see below), whose sum is σ = 154919096640. Its totient is φ = 22131296640.

The previous prime is 64242240173. The next prime is 64242240353. The reversal of 64242240260 is 6204224246.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7680299 + ... + 7688658.

It is an arithmetic number, because the mean of its divisors is an integer number (3227481180).

Almost surely, 2^64242240260 is an apocalyptic number.

It is an amenable number.

64242240260 is an abundant number, since it is smaller than the sum of its proper divisors (90676856380).

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

64242240260 is a wasteful number, since it uses less digits than its factorization.

64242240260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15368996 (or 15368994 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

The spelling of 64242240260 in words is "sixty-four billion, two hundred forty-two million, two hundred forty thousand, two hundred sixty".