40249067 has 4 divisors (see below), whose sum is σ = 41547456. Its totient is φ = 38950680.

The previous prime is 40249063. The next prime is 40249091. The reversal of 40249067 is 76094204.

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

It is a cyclic number.

It is not a de Polignac number, because 40249067 - 2² = 40249063 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40249063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 649148 + ... + 649209.

It is an arithmetic number, because the mean of its divisors is an integer number (10386864).

Almost surely, 2^40249067 is an apocalyptic number.

40249067 is a deficient number, since it is larger than the sum of its proper divisors (1298389).

40249067 is a wasteful number, since it uses less digits than its factorization.

40249067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298388.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 40249067 is about 6344.2152390977. The cubic root of 40249067 is about 342.7035520804.

The spelling of 40249067 in words is "forty million, two hundred forty-nine thousand, sixty-seven".