40843172305 has 32 divisors (see below), whose sum is σ = 53073165600. Its totient is φ = 29995038720.

The previous prime is 40843172287. The next prime is 40843172347. The reversal of 40843172305 is 50327134804.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 37394664129 + 3448508176 = 193377^2 + 58724^2 .

It is not a de Polignac number, because 40843172305 - 2⁷ = 40843172177 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23458735 + ... + 23460475.

It is an arithmetic number, because the mean of its divisors is an integer number (1658536425).

Almost surely, 2^40843172305 is an apocalyptic number.

It is an amenable number.

40843172305 is a deficient number, since it is larger than the sum of its proper divisors (12229993295).

40843172305 is a wasteful number, since it uses less digits than its factorization.

40843172305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541.

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 40843172305 in words is "forty billion, eight hundred forty-three million, one hundred seventy-two thousand, three hundred five".