42638759196292 has 36 divisors (see below), whose sum is σ = 87182711625744. Its totient is φ = 18193252803600.

The previous prime is 42638759196259. The next prime is 42638759196301. The reversal of 42638759196292 is 29269195783624.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 479128834 + ... + 479217817.

It is an arithmetic number, because the mean of its divisors is an integer number (2421741989604).

Almost surely, 2^{42638759196292} is an apocalyptic number.

It is an amenable number.

42638759196292 is an abundant number, since it is smaller than the sum of its proper divisors (44543952429452).

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

42638759196292 is a wasteful number, since it uses less digits than its factorization.

42638759196292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 958346896 (or 958346887 counting only the distinct ones).

The product of its digits is 705438720, while the sum is 73.

The spelling of 42638759196292 in words is "forty-two trillion, six hundred thirty-eight billion, seven hundred fifty-nine million, one hundred ninety-six thousand, two hundred ninety-two".