42129761996 has 48 divisors (see below), whose sum is σ = 86114613312. Its totient is φ = 17661369600.

The previous prime is 42129761983. The next prime is 42129762013. The reversal of 42129761996 is 69916792124.

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 15 ways as a sum of consecutive naturals, for example, 241010 + ... + 377286.

It is an arithmetic number, because the mean of its divisors is an integer number (1794054444).

Almost surely, 2^42129761996 is an apocalyptic number.

It is an amenable number.

42129761996 is an abundant number, since it is smaller than the sum of its proper divisors (43984851316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42129761996 is a wasteful number, since it uses less digits than its factorization.

42129761996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136530 (or 136528 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 56.

The spelling of 42129761996 in words is "forty-two billion, one hundred twenty-nine million, seven hundred sixty-one thousand, nine hundred ninety-six".