40955649 has 8 divisors (see below), whose sum is σ = 62408640. Its totient is φ = 23403216.

The previous prime is 40955647. The next prime is 40955687. The reversal of 40955649 is 94655904.

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 40955649 - 2¹ = 40955647 is a prime.

It is a super-2 number, since 2×40955649² = 3354730370022402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 40955649.

It is not an unprimeable number, because it can be changed into a prime (40955647) 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, 975114 + ... + 975155.

It is an arithmetic number, because the mean of its divisors is an integer number (7801080).

Almost surely, 2^40955649 is an apocalyptic number.

It is an amenable number.

40955649 is a deficient number, since it is larger than the sum of its proper divisors (21452991).

40955649 is a wasteful number, since it uses less digits than its factorization.

40955649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1950279.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 40955649 is about 6399.6600690974. The cubic root of 40955649 is about 344.6973443149.

The spelling of 40955649 in words is "forty million, nine hundred fifty-five thousand, six hundred forty-nine".