42023311331982 has 64 divisors (see below), whose sum is σ = 85708497600000. Its totient is φ = 13733618595840.

The previous prime is 42023311331971. The next prime is 42023311332001. The reversal of 42023311331982 is 28913311332024.

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 31 ways as a sum of consecutive naturals, for example, 87132063 + ... + 87613029.

It is an arithmetic number, because the mean of its divisors is an integer number (1339195275000).

Almost surely, 2^{42023311331982} is an apocalyptic number.

42023311331982 is an abundant number, since it is smaller than the sum of its proper divisors (43685186268018).

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

42023311331982 is a wasteful number, since it uses less digits than its factorization.

42023311331982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482441.

The product of its (nonzero) digits is 186624, while the sum is 42.

Adding to 42023311331982 its sum of digits (42), we get a palindrome (42023311332024).

The spelling of 42023311331982 in words is "forty-two trillion, twenty-three billion, three hundred eleven million, three hundred thirty-one thousand, nine hundred eighty-two".