42511520344 has 16 divisors (see below), whose sum is σ = 81562801320. Its totient is φ = 20761440000.

The previous prime is 42511520329. The next prime is 42511520371. The reversal of 42511520344 is 44302511524.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61789657 + ... + 61790344.

Almost surely, 2^42511520344 is an apocalyptic number.

It is an amenable number.

42511520344 is a deficient number, since it is larger than the sum of its proper divisors (39051280976).

42511520344 is a wasteful number, since it uses less digits than its factorization.

42511520344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123580050 (or 123580046 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 42511520344 in words is "forty-two billion, five hundred eleven million, five hundred twenty thousand, three hundred forty-four".