40245175542445 has 8 divisors (see below), whose sum is σ = 48294274007160. Its totient is φ = 32196098196480.

The previous prime is 40245175542443. The next prime is 40245175542449. The reversal of 40245175542445 is 54424557154204.

It can be written as a sum of positive squares in 4 ways, for example, as 3994793695204 + 36250381847241 = 1998698^2 + 6020829^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40245175542445 - 2¹ = 40245175542443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40245175542392 and 40245175542401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40245175542443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730960 + ... + 9001369.

It is an arithmetic number, because the mean of its divisors is an integer number (6036784250895).

Almost surely, 2^{40245175542445} is an apocalyptic number.

It is an amenable number.

40245175542445 is a deficient number, since it is larger than the sum of its proper divisors (8049098464715).

40245175542445 is an equidigital number, since it uses as much as digits as its factorization.

40245175542445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10559375.

The product of its (nonzero) digits is 17920000, while the sum is 52.

The spelling of 40245175542445 in words is "forty trillion, two hundred forty-five billion, one hundred seventy-five million, five hundred forty-two thousand, four hundred forty-five".