40042150 has 24 divisors (see below), whose sum is σ = 74809944. Its totient is φ = 15945600.

The previous prime is 40042141. The next prime is 40042151. The reversal of 40042150 is 5124004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40042151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10389 + ... + 13711.

It is an arithmetic number, because the mean of its divisors is an integer number (3117081).

Almost surely, 2^40042150 is an apocalyptic number.

40042150 is a deficient number, since it is larger than the sum of its proper divisors (34767794).

40042150 is a wasteful number, since it uses less digits than its factorization.

40042150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576 (or 3571 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 40042150 is about 6327.8866930437. The cubic root of 40042150 is about 342.1152729761.

Adding to 40042150 its reverse (5124004), we get a palindrome (45166154).

The spelling of 40042150 in words is "forty million, forty-two thousand, one hundred fifty".