40488172249 has 16 divisors (see below), whose sum is σ = 46684332288. Its totient is φ = 34396391232.

The previous prime is 40488172229. The next prime is 40488172271. The reversal of 40488172249 is 94227188404.

It is not a de Polignac number, because 40488172249 - 2¹⁹ = 40487647961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40488172229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306859 + ... + 418495.

It is an arithmetic number, because the mean of its divisors is an integer number (2917770768).

Almost surely, 2^40488172249 is an apocalyptic number.

It is an amenable number.

40488172249 is a deficient number, since it is larger than the sum of its proper divisors (6196160039).

40488172249 is a wasteful number, since it uses less digits than its factorization.

40488172249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112104.

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 40488172249 in words is "forty billion, four hundred eighty-eight million, one hundred seventy-two thousand, two hundred forty-nine".