42072072524 has 12 divisors (see below), whose sum is σ = 74453387400. Its totient is φ = 20799676128.

The previous prime is 42072072503. The next prime is 42072072541. The reversal of 42072072524 is 42527027024.

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, 59089634 + ... + 59090345.

It is an arithmetic number, because the mean of its divisors is an integer number (6204448950).

Almost surely, 2^42072072524 is an apocalyptic number.

It is an amenable number.

42072072524 is a deficient number, since it is larger than the sum of its proper divisors (32381314876).

42072072524 is a wasteful number, since it uses less digits than its factorization.

42072072524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118180072 (or 118180070 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 35.

Adding to 42072072524 its reverse (42527027024), we get a palindrome (84599099548).

The spelling of 42072072524 in words is "forty-two billion, seventy-two million, seventy-two thousand, five hundred twenty-four".