40776671 has 4 divisors (see below), whose sum is σ = 43913352. Its totient is φ = 37639992.

The previous prime is 40776643. The next prime is 40776689. The reversal of 40776671 is 17667704.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40776671 - 2¹⁸ = 40514527 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 (40776971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1568321 + ... + 1568346.

It is an arithmetic number, because the mean of its divisors is an integer number (10978338).

Almost surely, 2^40776671 is an apocalyptic number.

40776671 is a deficient number, since it is larger than the sum of its proper divisors (3136681).

40776671 is a wasteful number, since it uses less digits than its factorization.

40776671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3136680.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 40776671 is about 6385.6613596400. The cubic root of 40776671 is about 344.1944968932.

The spelling of 40776671 in words is "forty million, seven hundred seventy-six thousand, six hundred seventy-one".