40879273 has 4 divisors (see below), whose sum is σ = 41086980. Its totient is φ = 40671568.

The previous prime is 40879253. The next prime is 40879301. The reversal of 40879273 is 37297804.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40297104 + 582169 = 6348^2 + 763^2 .

It is a cyclic number.

It is not a de Polignac number, because 40879273 - 2¹³ = 40871081 is a prime.

It is a super-2 number, since 2×40879273² = 3342229922017058, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40879253) 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, 103558 + ... + 103951.

It is an arithmetic number, because the mean of its divisors is an integer number (10271745).

Almost surely, 2^40879273 is an apocalyptic number.

It is an amenable number.

40879273 is a deficient number, since it is larger than the sum of its proper divisors (207707).

40879273 is a wasteful number, since it uses less digits than its factorization.

40879273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207706.

The product of its (nonzero) digits is 84672, while the sum is 40.

The square root of 40879273 is about 6393.6900925835. The cubic root of 40879273 is about 344.4829417680.

The spelling of 40879273 in words is "forty million, eight hundred seventy-nine thousand, two hundred seventy-three".