40806737225 has 12 divisors (see below), whose sum is σ = 50609593740. Its totient is φ = 32639428800.

The previous prime is 40806737207. The next prime is 40806737263. The reversal of 40806737225 is 52273760804.

It can be written as a sum of positive squares in 6 ways, for example, as 119006281 + 40687730944 = 10909^2 + 201712^2 .

It is not a de Polignac number, because 40806737225 - 2¹² = 40806733129 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6710 + ... + 285759.

It is an arithmetic number, because the mean of its divisors is an integer number (4217466145).

Almost surely, 2^40806737225 is an apocalyptic number.

It is an amenable number.

40806737225 is a deficient number, since it is larger than the sum of its proper divisors (9802856515).

40806737225 is a wasteful number, since it uses less digits than its factorization.

40806737225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298060 (or 298055 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 40806737225 in words is "forty billion, eight hundred six million, seven hundred thirty-seven thousand, two hundred twenty-five".