40956049 has 4 divisors (see below), whose sum is σ = 41474560. Its totient is φ = 40437540.

The previous prime is 40956029. The next prime is 40956061. The reversal of 40956049 is 94065904.

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 40956049 - 2⁵ = 40956017 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40955999 and 40956017.

It is not an unprimeable number, because it can be changed into a prime (40956029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259137 + ... + 259294.

It is an arithmetic number, because the mean of its divisors is an integer number (10368640).

Almost surely, 2^40956049 is an apocalyptic number.

It is an amenable number.

40956049 is a deficient number, since it is larger than the sum of its proper divisors (518511).

40956049 is an equidigital number, since it uses as much as digits as its factorization.

40956049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518510.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 40956049 is about 6399.6913206810. The cubic root of 40956049 is about 344.6984664921.

The spelling of 40956049 in words is "forty million, nine hundred fifty-six thousand, forty-nine".