42240724929 has 24 divisors (see below), whose sum is σ = 65726361792. Its totient is φ = 25986947040.

The previous prime is 42240724919. The next prime is 42240724949. The reversal of 42240724929 is 92942704224.

It is not a de Polignac number, because 42240724929 - 2¹² = 42240720833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42240724919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 380334 + ... + 478680.

It is an arithmetic number, because the mean of its divisors is an integer number (2738598408).

Almost surely, 2^42240724929 is an apocalyptic number.

It is an amenable number.

42240724929 is a deficient number, since it is larger than the sum of its proper divisors (23485636863).

42240724929 is a wasteful number, since it uses less digits than its factorization.

42240724929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102037 (or 102034 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 42240724929 in words is "forty-two billion, two hundred forty million, seven hundred twenty-four thousand, nine hundred twenty-nine".