64269860260 has 12 divisors (see below), whose sum is σ = 134966706588. Its totient is φ = 25707944096.

The previous prime is 64269860257. The next prime is 64269860261. The reversal of 64269860260 is 6206896246.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28167580224 + 36102280036 = 167832^2 + 190006^2 .

It is a super-2 number, since 2×64269860260² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64269860261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1606746487 + ... + 1606746526.

It is an arithmetic number, because the mean of its divisors is an integer number (11247225549).

Almost surely, 2^64269860260 is an apocalyptic number.

It is an amenable number.

64269860260 is an abundant number, since it is smaller than the sum of its proper divisors (70696846328).

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

64269860260 is a wasteful number, since it uses less digits than its factorization.

64269860260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3213493022 (or 3213493020 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 64269860260 in words is "sixty-four billion, two hundred sixty-nine million, eight hundred sixty thousand, two hundred sixty".