40005544225 has 48 divisors (see below), whose sum is σ = 53493451200. Its totient is φ = 29615604480.

The previous prime is 40005544207. The next prime is 40005544261. The reversal of 40005544225 is 52244550004.

It is not a de Polignac number, because 40005544225 - 2¹³ = 40005536033 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1786146 + ... + 1808404.

It is an arithmetic number, because the mean of its divisors is an integer number (1114446900).

Almost surely, 2^40005544225 is an apocalyptic number.

It is an amenable number.

40005544225 is a deficient number, since it is larger than the sum of its proper divisors (13487906975).

40005544225 is a wasteful number, since it uses less digits than its factorization.

40005544225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22402 (or 22397 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The spelling of 40005544225 in words is "forty billion, five million, five hundred forty-four thousand, two hundred twenty-five".