52640742466 has 16 divisors (see below), whose sum is σ = 86476320000. Its totient is φ = 23883934608.

The previous prime is 52640742463. The next prime is 52640742481. The reversal of 52640742466 is 66424704625.

It is a super-2 number, since 2×52640742466² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52640742463) 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, 17156466 + ... + 17159533.

It is an arithmetic number, because the mean of its divisors is an integer number (5404770000).

Almost surely, 2^52640742466 is an apocalyptic number.

52640742466 is a deficient number, since it is larger than the sum of its proper divisors (33835577534).

52640742466 is a wasteful number, since it uses less digits than its factorization.

52640742466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34316073.

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 52640742466 in words is "fifty-two billion, six hundred forty million, seven hundred forty-two thousand, four hundred sixty-six".