40954861 has 4 divisors (see below), whose sum is σ = 43110400. Its totient is φ = 38799324.

The previous prime is 40954847. The next prime is 40954867. The reversal of 40954861 is 16845904.

It is a happy number.

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 not a de Polignac number, because 40954861 - 2⁹ = 40954349 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40954861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40954867) 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, 1077741 + ... + 1077778.

It is an arithmetic number, because the mean of its divisors is an integer number (10777600).

Almost surely, 2^40954861 is an apocalyptic number.

It is an amenable number.

40954861 is a deficient number, since it is larger than the sum of its proper divisors (2155539).

40954861 is a wasteful number, since it uses less digits than its factorization.

40954861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155538.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 40954861 is about 6399.5985030313. The cubic root of 40954861 is about 344.6951336044.

The spelling of 40954861 in words is "forty million, nine hundred fifty-four thousand, eight hundred sixty-one".