40502002771 has 4 divisors (see below), whose sum is σ = 40989978792. Its totient is φ = 40014026752.

The previous prime is 40502002703. The next prime is 40502002777. The reversal of 40502002771 is 17720020504.

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

It is a cyclic number.

It is not a de Polignac number, because 40502002771 - 2⁹ = 40502002259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40502002777) 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, 243987886 + ... + 243988051.

It is an arithmetic number, because the mean of its divisors is an integer number (10247494698).

Almost surely, 2^40502002771 is an apocalyptic number.

40502002771 is a deficient number, since it is larger than the sum of its proper divisors (487976021).

40502002771 is an equidigital number, since it uses as much as digits as its factorization.

40502002771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487976020.

The product of its (nonzero) digits is 3920, while the sum is 28.

The spelling of 40502002771 in words is "forty billion, five hundred two million, two thousand, seven hundred seventy-one".