40410242 has 4 divisors (see below), whose sum is σ = 60615366. Its totient is φ = 20205120.

The previous prime is 40410229. The next prime is 40410259. The reversal of 40410242 is 24201404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 30481441 + 9928801 = 5521^2 + 3151^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40410242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10102559 + ... + 10102562.

Almost surely, 2^40410242 is an apocalyptic number.

40410242 is a deficient number, since it is larger than the sum of its proper divisors (20205124).

40410242 is a wasteful number, since it uses less digits than its factorization.

40410242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20205123.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 40410242 is about 6356.9050645735. The cubic root of 40410242 is about 343.1603881758.

Adding to 40410242 its reverse (24201404), we get a palindrome (64611646).

The spelling of 40410242 in words is "forty million, four hundred ten thousand, two hundred forty-two".