42043427442164 has 48 divisors (see below), whose sum is σ = 74318872320000. Its totient is φ = 20810625566976.

The previous prime is 42043427442109. The next prime is 42043427442281. The reversal of 42043427442164 is 46124472434024.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351212432 + ... + 351332120.

It is an arithmetic number, because the mean of its divisors is an integer number (1548309840000).

Almost surely, 2^{42043427442164} is an apocalyptic number.

It is an amenable number.

42043427442164 is a deficient number, since it is larger than the sum of its proper divisors (32275444877836).

42043427442164 is a wasteful number, since it uses less digits than its factorization.

42043427442164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122112 (or 122110 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 47.

Adding to 42043427442164 its reverse (46124472434024), we get a palindrome (88167899876188).

The spelling of 42043427442164 in words is "forty-two trillion, forty-three billion, four hundred twenty-seven million, four hundred forty-two thousand, one hundred sixty-four".