40042050 has 24 divisors (see below), whose sum is σ = 99304656. Its totient is φ = 10677840.

The previous prime is 40042043. The next prime is 40042099. The reversal of 40042050 is 5024004.

40042050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133324 + ... + 133623.

It is an arithmetic number, because the mean of its divisors is an integer number (4137694).

Almost surely, 2^40042050 is an apocalyptic number.

40042050 is an abundant number, since it is smaller than the sum of its proper divisors (59262606).

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

40042050 is a wasteful number, since it uses less digits than its factorization.

40042050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266962 (or 266957 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 40042050 is about 6327.8787915067. The cubic root of 40042050 is about 342.1149881799.

Adding to 40042050 its reverse (5024004), we get a palindrome (45066054).

The spelling of 40042050 in words is "forty million, forty-two thousand, fifty", and thus it is an eban number.