42616140 has 48 divisors (see below), whose sum is σ = 136372992. Its totient is φ = 9740736.

The previous prime is 42616129. The next prime is 42616153. The reversal of 42616140 is 4161624.

It is a super-2 number, since 2×42616140² = 3632270776999200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42616140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50314 + ... + 51153.

It is an arithmetic number, because the mean of its divisors is an integer number (2841104).

Almost surely, 2^42616140 is an apocalyptic number.

It is an amenable number.

42616140 is an abundant number, since it is smaller than the sum of its proper divisors (93756852).

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

42616140 is a wasteful number, since it uses less digits than its factorization.

42616140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101486 (or 101484 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 42616140 is about 6528.1038594679. The cubic root of 42616140 is about 349.2941966949.

Adding to 42616140 its reverse (4161624), we get a palindrome (46777764).

It can be divided in two parts, 4261 and 6140, that added together give a palindrome (10401).

The spelling of 42616140 in words is "forty-two million, six hundred sixteen thousand, one hundred forty".