40279467 has 4 divisors (see below), whose sum is σ = 53705960. Its totient is φ = 26852976.

The previous prime is 40279457. The next prime is 40279483. The reversal of 40279467 is 76497204.

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

It is not a de Polignac number, because 40279467 - 2⁶ = 40279403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40279457) 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, 6713242 + ... + 6713247.

It is an arithmetic number, because the mean of its divisors is an integer number (13426490).

Almost surely, 2^40279467 is an apocalyptic number.

40279467 is a deficient number, since it is larger than the sum of its proper divisors (13426493).

40279467 is a wasteful number, since it uses less digits than its factorization.

40279467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13426492.

The product of its (nonzero) digits is 84672, while the sum is 39.

The square root of 40279467 is about 6346.6106702712. The cubic root of 40279467 is about 342.7898113564.

The spelling of 40279467 in words is "forty million, two hundred seventy-nine thousand, four hundred sixty-seven".