42661016624 has 40 divisors (see below), whose sum is σ = 83878641840. Its totient is φ = 21015548928.

The previous prime is 42661016623. The next prime is 42661016627.

42661016624 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (42661016623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1086812 + ... + 1125380.

It is an arithmetic number, because the mean of its divisors is an integer number (2096966046).

Almost surely, 2^42661016624 is an apocalyptic number.

It is an amenable number.

42661016624 is a deficient number, since it is larger than the sum of its proper divisors (41217625216).

42661016624 is a wasteful number, since it uses less digits than its factorization.

42661016624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39597 (or 39591 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 42661016624 in words is "forty-two billion, six hundred sixty-one million, sixteen thousand, six hundred twenty-four".