42144475616 has 12 divisors (see below), whose sum is σ = 82971936432. Its totient is φ = 21072237792.

The previous prime is 42144475613. The next prime is 42144475657. The reversal of 42144475616 is 61657444124.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42144475613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 658507400 + ... + 658507463.

It is an arithmetic number, because the mean of its divisors is an integer number (6914328036).

Almost surely, 2^42144475616 is an apocalyptic number.

It is an amenable number.

42144475616 is a deficient number, since it is larger than the sum of its proper divisors (40827460816).

42144475616 is a wasteful number, since it uses less digits than its factorization.

42144475616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317014873 (or 1317014865 counting only the distinct ones).

The product of its digits is 645120, while the sum is 44.

The spelling of 42144475616 in words is "forty-two billion, one hundred forty-four million, four hundred seventy-five thousand, six hundred sixteen".