40623242 has 8 divisors (see below), whose sum is σ = 66474432. Its totient is φ = 18465100.

The previous prime is 40623227. The next prime is 40623269. The reversal of 40623242 is 24232604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 923234 + ... + 923277.

It is an arithmetic number, because the mean of its divisors is an integer number (8309304).

Almost surely, 2^40623242 is an apocalyptic number.

40623242 is a deficient number, since it is larger than the sum of its proper divisors (25851190).

40623242 is a wasteful number, since it uses less digits than its factorization.

40623242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846524.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 40623242 is about 6373.6364816328. The cubic root of 40623242 is about 343.7622579871.

Adding to 40623242 its reverse (24232604), we get a palindrome (64855846).

The spelling of 40623242 in words is "forty million, six hundred twenty-three thousand, two hundred forty-two".