42161461232 has 20 divisors (see below), whose sum is σ = 89113997976. Its totient is φ = 19164300480.

The previous prime is 42161461229. The next prime is 42161461259. The reversal of 42161461232 is 23216416124.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 119776703 + ... + 119777054.

Almost surely, 2^42161461232 is an apocalyptic number.

It is an amenable number.

42161461232 is an abundant number, since it is smaller than the sum of its proper divisors (46952536744).

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

42161461232 is a wasteful number, since it uses less digits than its factorization.

42161461232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239553776 (or 239553770 counting only the distinct ones).

The product of its digits is 13824, while the sum is 32.

Adding to 42161461232 its reverse (23216416124), we get a palindrome (65377877356).

The spelling of 42161461232 in words is "forty-two billion, one hundred sixty-one million, four hundred sixty-one thousand, two hundred thirty-two".