40616242 has 4 divisors (see below), whose sum is σ = 60924366. Its totient is φ = 20308120.

The previous prime is 40616239. The next prime is 40616297. The reversal of 40616242 is 24261604.

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., 38452401 + 2163841 = 6201^2 + 1471^2 .

It is a super-3 number, since 3×40616242³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10154059 + ... + 10154062.

Almost surely, 2^40616242 is an apocalyptic number.

40616242 is a deficient number, since it is larger than the sum of its proper divisors (20308124).

40616242 is a wasteful number, since it uses less digits than its factorization.

40616242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20308123.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 40616242 is about 6373.0873209144. The cubic root of 40616242 is about 343.7425117046.

Adding to 40616242 its reverse (24261604), we get a palindrome (64877846).

The spelling of 40616242 in words is "forty million, six hundred sixteen thousand, two hundred forty-two".