40771663 has 16 divisors (see below), whose sum is σ = 45388800. Its totient is φ = 36447840.

The previous prime is 40771639. The next prime is 40771667. The reversal of 40771663 is 36617704.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40771663 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 (40771667) 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, 33933 + ... + 35113.

It is an arithmetic number, because the mean of its divisors is an integer number (2836800).

Almost surely, 2^40771663 is an apocalyptic number.

40771663 is a deficient number, since it is larger than the sum of its proper divisors (4617137).

40771663 is a wasteful number, since it uses less digits than its factorization.

40771663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1302.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 40771663 is about 6385.2692190698. The cubic root of 40771663 is about 344.1804055303.

The spelling of 40771663 in words is "forty million, seven hundred seventy-one thousand, six hundred sixty-three".