42161088 has 56 divisors (see below), whose sum is σ = 118122192. Its totient is φ = 13225984.

The previous prime is 42161087. The next prime is 42161111. The reversal of 42161088 is 88016124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42161081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3195 + ... + 9722.

Almost surely, 2^42161088 is an apocalyptic number.

42161088 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42161088 is an abundant number, since it is smaller than the sum of its proper divisors (75961104).

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

42161088 is a wasteful number, since it uses less digits than its factorization.

42161088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12949 (or 12939 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

The square root of 42161088 is about 6493.1570133487. The cubic root of 42161088 is about 348.0464992694.

The spelling of 42161088 in words is "forty-two million, one hundred sixty-one thousand, eighty-eight".