40042060 has 24 divisors (see below), whose sum is σ = 84450240. Its totient is φ = 15947904.

The previous prime is 40042043. The next prime is 40042099. The reversal of 40042060 is 6024004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592 + ... + 8968.

It is an arithmetic number, because the mean of its divisors is an integer number (3518760).

Almost surely, 2^40042060 is an apocalyptic number.

It is an amenable number.

40042060 is an abundant number, since it is smaller than the sum of its proper divisors (44408180).

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

40042060 is a wasteful number, since it uses less digits than its factorization.

40042060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8625 (or 8623 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40042060 is about 6327.8795816608. The cubic root of 40042060 is about 342.1150166595.

Adding to 40042060 its reverse (6024004), we get a palindrome (46066064).

The spelling of 40042060 in words is "forty million, forty-two thousand, sixty", and thus it is an eban number.