40979771 has 8 divisors (see below), whose sum is σ = 46912224. Its totient is φ = 35066880.

The previous prime is 40979761. The next prime is 40979773. The reversal of 40979771 is 17797904.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40979771 - 2¹⁰ = 40978747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40979773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80 + ... + 9053.

It is an arithmetic number, because the mean of its divisors is an integer number (5864028).

Almost surely, 2^40979771 is an apocalyptic number.

40979771 is a deficient number, since it is larger than the sum of its proper divisors (5932453).

40979771 is an equidigital number, since it uses as much as digits as its factorization.

40979771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9781.

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 40979771 is about 6401.5444230279. The cubic root of 40979771 is about 344.7650041507.

The spelling of 40979771 in words is "forty million, nine hundred seventy-nine thousand, seven hundred seventy-one".