40654961 has 8 divisors (see below), whose sum is σ = 42504000. Its totient is φ = 38812752.

The previous prime is 40654921. The next prime is 40654963. The reversal of 40654961 is 16945604.

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 40654961 - 2¹⁸ = 40392817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40654963) 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, 13415 + ... + 16163.

It is an arithmetic number, because the mean of its divisors is an integer number (5313000).

Almost surely, 2^40654961 is an apocalyptic number.

It is an amenable number.

40654961 is a deficient number, since it is larger than the sum of its proper divisors (1849039).

40654961 is a wasteful number, since it uses less digits than its factorization.

40654961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3415.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 40654961 is about 6376.1242930169. The cubic root of 40654961 is about 343.8517056188.

The spelling of 40654961 in words is "forty million, six hundred fifty-four thousand, nine hundred sixty-one".