40820767 has 6 divisors (see below), whose sum is σ = 44202552. Its totient is φ = 37680552.

The previous prime is 40820761. The next prime is 40820783. The reversal of 40820767 is 76702804.

It is not a de Polignac number, because 40820767 - 2⁷ = 40820639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40820761) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 120603 + ... + 120940.

It is an arithmetic number, because the mean of its divisors is an integer number (7367092).

Almost surely, 2^40820767 is an apocalyptic number.

40820767 is a deficient number, since it is larger than the sum of its proper divisors (3381785).

40820767 is a wasteful number, since it uses less digits than its factorization.

40820767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241569 (or 241556 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 40820767 is about 6389.1131622472. The cubic root of 40820767 is about 344.3185231433.

The spelling of 40820767 in words is "forty million, eight hundred twenty thousand, seven hundred sixty-seven".