40150242 has 40 divisors (see below), whose sum is σ = 98149392. Its totient is φ = 12166200.

The previous prime is 40150241. The next prime is 40150283. The reversal of 40150242 is 24205104.

It is a super-2 number, since 2×40150242² = 3224083865317128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (40150241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9484 + ... + 13047.

Almost surely, 2^40150242 is an apocalyptic number.

40150242 is an abundant number, since it is smaller than the sum of its proper divisors (57999150).

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

40150242 is a wasteful number, since it uses less digits than its factorization.

40150242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22556 (or 22547 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 40150242 is about 6336.4218609559. The cubic root of 40150242 is about 342.4228380351.

Adding to 40150242 its reverse (24205104), we get a palindrome (64355346).

The spelling of 40150242 in words is "forty million, one hundred fifty thousand, two hundred forty-two".