40048849745 has 16 divisors (see below), whose sum is σ = 48271686480. Its totient is φ = 31897227264.

The previous prime is 40048849741. The next prime is 40048849793. The reversal of 40048849745 is 54794884004.

It can be written as a sum of positive squares in 8 ways, for example, as 978188176 + 39070661569 = 31276^2 + 197663^2 .

It is a cyclic number.

It is not a de Polignac number, because 40048849745 - 2² = 40048849741 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40048849741) 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 15 ways as a sum of consecutive naturals, for example, 1774049 + ... + 1796481.

It is an arithmetic number, because the mean of its divisors is an integer number (3016980405).

Almost surely, 2^40048849745 is an apocalyptic number.

It is an amenable number.

40048849745 is a deficient number, since it is larger than the sum of its proper divisors (8222836735).

40048849745 is a wasteful number, since it uses less digits than its factorization.

40048849745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24004.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 40048849745 in words is "forty billion, forty-eight million, eight hundred forty-nine thousand, seven hundred forty-five".