40658741 has 4 divisors (see below), whose sum is σ = 40766400. Its totient is φ = 40551084.

The previous prime is 40658719. The next prime is 40658759. The reversal of 40658741 is 14785604.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40658741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40658711) 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, 53261 + ... + 54018.

It is an arithmetic number, because the mean of its divisors is an integer number (10191600).

Almost surely, 2^40658741 is an apocalyptic number.

It is an amenable number.

40658741 is a deficient number, since it is larger than the sum of its proper divisors (107659).

40658741 is a wasteful number, since it uses less digits than its factorization.

40658741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107658.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 40658741 is about 6376.4207044391. The cubic root of 40658741 is about 343.8623621220.

The spelling of 40658741 in words is "forty million, six hundred fifty-eight thousand, seven hundred forty-one".