40672245 has 16 divisors (see below), whose sum is σ = 68904000. Its totient is φ = 20415744.

The previous prime is 40672237. The next prime is 40672267. The reversal of 40672245 is 54227604.

It is not a de Polignac number, because 40672245 - 2³ = 40672237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79495 + ... + 80004.

It is an arithmetic number, because the mean of its divisors is an integer number (4306500).

Almost surely, 2^40672245 is an apocalyptic number.

It is an amenable number.

40672245 is a deficient number, since it is larger than the sum of its proper divisors (28231755).

40672245 is a wasteful number, since it uses less digits than its factorization.

40672245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159524.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 40672245 is about 6377.4795178033. The cubic root of 40672245 is about 343.9004269451.

Adding to 40672245 its reverse (54227604), we get a palindrome (94899849).

The spelling of 40672245 in words is "forty million, six hundred seventy-two thousand, two hundred forty-five".