42118692 has 96 divisors (see below), whose sum is σ = 124293120. Its totient is φ = 10782720.

The previous prime is 42118663. The next prime is 42118693. The reversal of 42118692 is 29681124.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (42118693) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 72708 + ... + 73284.

It is an arithmetic number, because the mean of its divisors is an integer number (1294720).

Almost surely, 2^42118692 is an apocalyptic number.

42118692 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42118692, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62146560).

42118692 is an abundant number, since it is smaller than the sum of its proper divisors (82174428).

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

42118692 is a wasteful number, since it uses less digits than its factorization.

42118692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681 (or 679 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 42118692 is about 6489.8915245172. The cubic root of 42118692 is about 347.9297982319.

The spelling of 42118692 in words is "forty-two million, one hundred eighteen thousand, six hundred ninety-two".