42049780124 has 72 divisors (see below), whose sum is σ = 81871767600. Its totient is φ = 18881533440.

The previous prime is 42049780111. The next prime is 42049780133. The reversal of 42049780124 is 42108794024.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 19086407 + ... + 19088609.

Almost surely, 2^42049780124 is an apocalyptic number.

42049780124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42049780124 is a deficient number, since it is larger than the sum of its proper divisors (39821987476).

42049780124 is a wasteful number, since it uses less digits than its factorization.

42049780124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691 (or 2678 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 42049780124 in words is "forty-two billion, forty-nine million, seven hundred eighty thousand, one hundred twenty-four".