40445445135 has 32 divisors (see below), whose sum is σ = 65158474752. Its totient is φ = 21422828160.

The previous prime is 40445445133. The next prime is 40445445151. The reversal of 40445445135 is 53154454404.

It is not a de Polignac number, because 40445445135 - 2¹ = 40445445133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40445445093 and 40445445102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40445445133) 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 31 ways as a sum of consecutive naturals, for example, 1272912 + ... + 1304298.

It is an arithmetic number, because the mean of its divisors is an integer number (2036202336).

Almost surely, 2^40445445135 is an apocalyptic number.

40445445135 is a deficient number, since it is larger than the sum of its proper divisors (24713029617).

40445445135 is a wasteful number, since it uses less digits than its factorization.

40445445135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31983.

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 40445445135 its reverse (53154454404), we get a palindrome (93599899539).

The spelling of 40445445135 in words is "forty billion, four hundred forty-five million, four hundred forty-five thousand, one hundred thirty-five".