40949777 has 8 divisors (see below), whose sum is σ = 44740992. Its totient is φ = 37170000.

The previous prime is 40949773. The next prime is 40949789. The reversal of 40949777 is 77794904.

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 40949777 - 2² = 40949773 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40949771) 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, 5783 + ... + 10739.

It is an arithmetic number, because the mean of its divisors is an integer number (5592624).

Almost surely, 2^40949777 is an apocalyptic number.

It is an amenable number.

40949777 is a deficient number, since it is larger than the sum of its proper divisors (3791215).

40949777 is a wasteful number, since it uses less digits than its factorization.

40949777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5719.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 40949777 is about 6399.2012782847. The cubic root of 40949777 is about 344.6808699123.

The spelling of 40949777 in words is "forty million, nine hundred forty-nine thousand, seven hundred seventy-seven".