40658461 has 4 divisors (see below), whose sum is σ = 42798400. Its totient is φ = 38518524.

The previous prime is 40658413. The next prime is 40658477. The reversal of 40658461 is 16485604.

40658461 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-40658461 is a prime.

It is a super-5 number, since 5×40658461⁵ (a number of 39 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40658491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069941 + ... + 1069978.

It is an arithmetic number, because the mean of its divisors is an integer number (10699600).

Almost surely, 2^40658461 is an apocalyptic number.

It is an amenable number.

40658461 is a deficient number, since it is larger than the sum of its proper divisors (2139939).

40658461 is a wasteful number, since it uses less digits than its factorization.

40658461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139938.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 40658461 is about 6376.3987485100. The cubic root of 40658461 is about 343.8615727740.

The spelling of 40658461 in words is "forty million, six hundred fifty-eight thousand, four hundred sixty-one".