40765949 has 16 divisors (see below), whose sum is σ = 50076288. Its totient is φ = 32389632.

The previous prime is 40765927. The next prime is 40765951. The reversal of 40765949 is 94956704.

It is a cyclic number.

It is not a de Polignac number, because 40765949 - 2²⁴ = 23988733 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40761949) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5417 + ... + 10529.

It is an arithmetic number, because the mean of its divisors is an integer number (3129768).

Almost surely, 2^40765949 is an apocalyptic number.

It is an amenable number.

40765949 is a deficient number, since it is larger than the sum of its proper divisors (9310339).

40765949 is a wasteful number, since it uses less digits than its factorization.

40765949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 40765949 is about 6384.8217672853. The cubic root of 40765949 is about 344.1643262359.

It can be divided in two parts, 40765 and 949, that added together give a palindrome (41714).

The spelling of 40765949 in words is "forty million, seven hundred sixty-five thousand, nine hundred forty-nine".