566465140552440 has 128 divisors (see below), whose sum is σ = 1728302585760000. Its totient is φ = 148488152828928.

The previous prime is 566465140552427. The next prime is 566465140552447. The reversal of 566465140552440 is 44255041564665.

566465140552440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×566465140552440² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (566465140552447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115833292 + ... + 120624548.

It is an arithmetic number, because the mean of its divisors is an integer number (13502363951250).

Almost surely, 2^{566465140552440} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 566465140552440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (864151292880000).

566465140552440 is an abundant number, since it is smaller than the sum of its proper divisors (1161837445207560).

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

566465140552440 is a wasteful number, since it uses less digits than its factorization.

566465140552440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4808029 (or 4808025 counting only the distinct ones).

The product of its (nonzero) digits is 69120000, while the sum is 57.

The spelling of 566465140552440 in words is "five hundred sixty-six trillion, four hundred sixty-five billion, one hundred forty million, five hundred fifty-two thousand, four hundred forty".