42820666596 has 36 divisors (see below), whose sum is σ = 109312833084. Its totient is φ = 14132232000.

The previous prime is 42820666573. The next prime is 42820666613. The reversal of 42820666596 is 69566602824.

It is a happy number.

42820666596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 26793106596 + 16027560000 = 163686^2 + 126600^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5884795 + ... + 5892066.

Almost surely, 2^42820666596 is an apocalyptic number.

It is an amenable number.

42820666596 is an abundant number, since it is smaller than the sum of its proper divisors (66492166488).

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

42820666596 is a wasteful number, since it uses less digits than its factorization.

42820666596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11776972 (or 11776967 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 42820666596 in words is "forty-two billion, eight hundred twenty million, six hundred sixty-six thousand, five hundred ninety-six".