40957579 has 8 divisors (see below), whose sum is σ = 44186912. Its totient is φ = 37739520.

The previous prime is 40957561. The next prime is 40957613. The reversal of 40957579 is 97575904.

It is a happy number.

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

It is not a de Polignac number, because 40957579 - 2⁵ = 40957547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40957519) 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, 5707 + ... + 10699.

It is an arithmetic number, because the mean of its divisors is an integer number (5523364).

Almost surely, 2^40957579 is an apocalyptic number.

40957579 is a deficient number, since it is larger than the sum of its proper divisors (3229333).

40957579 is a wasteful number, since it uses less digits than its factorization.

40957579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5637.

The product of its (nonzero) digits is 396900, while the sum is 46.

The square root of 40957579 is about 6399.8108565801. The cubic root of 40957579 is about 344.7027587526.

The spelling of 40957579 in words is "forty million, nine hundred fifty-seven thousand, five hundred seventy-nine".