64266653242 has 16 divisors (see below), whose sum is σ = 105397848000. Its totient is φ = 29147050240.

The previous prime is 64266653219. The next prime is 64266653261. The reversal of 64266653242 is 24235666246.

It is a super-2 number, since 2×64266653242² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64266653192 and 64266653201.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3243142 + ... + 3262897.

It is an arithmetic number, because the mean of its divisors is an integer number (6587365500).

Almost surely, 2^64266653242 is an apocalyptic number.

64266653242 is a deficient number, since it is larger than the sum of its proper divisors (41131194758).

64266653242 is a wasteful number, since it uses less digits than its factorization.

64266653242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6506501.

The product of its digits is 2488320, while the sum is 46.

The spelling of 64266653242 in words is "sixty-four billion, two hundred sixty-six million, six hundred fifty-three thousand, two hundred forty-two".