40245127633 has 6 divisors (see below), whose sum is σ = 42751744886. Its totient is φ = 37877766912.

The previous prime is 40245127607. The next prime is 40245127697. The reversal of 40245127633 is 33672154204.

It can be written as a sum of positive squares in 3 ways, for example, as 26066748304 + 14178379329 = 161452^2 + 119073^2 .

It is a de Polignac number, because none of the positive numbers 2^k-40245127633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40245127592 and 40245127601.

It is not an unprimeable number, because it can be changed into a prime (40245127733) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69627960 + ... + 69628537.

Almost surely, 2^40245127633 is an apocalyptic number.

It is an amenable number.

40245127633 is a deficient number, since it is larger than the sum of its proper divisors (2506617253).

40245127633 is a wasteful number, since it uses less digits than its factorization.

40245127633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139256531 (or 139256514 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 37.

The spelling of 40245127633 in words is "forty billion, two hundred forty-five million, one hundred twenty-seven thousand, six hundred thirty-three".