40451445043024 has 20 divisors (see below), whose sum is σ = 78607240581844. Its totient is φ = 20165705538048.

The previous prime is 40451445043007. The next prime is 40451445043067. The reversal of 40451445043024 is 42034054415404.

It can be written as a sum of positive squares in 2 ways, for example, as 3395395875600 + 37056049167424 = 1842660^2 + 6087368^2 .

It is a super-2 number, since 2×40451445043024² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3751055907 + ... + 3751066690.

Almost surely, 2^{40451445043024} is an apocalyptic number.

It is an amenable number.

40451445043024 is a deficient number, since it is larger than the sum of its proper divisors (38155795538820).

40451445043024 is a wasteful number, since it uses less digits than its factorization.

40451445043024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7502122942 (or 7502122936 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 40451445043024 its reverse (42034054415404), we get a palindrome (82485499458428).

The spelling of 40451445043024 in words is "forty trillion, four hundred fifty-one billion, four hundred forty-five million, forty-three thousand, twenty-four".