40020160357745 has 32 divisors (see below), whose sum is σ = 51355203984000. Its totient is φ = 29849878688256.

The previous prime is 40020160357717. The next prime is 40020160357757. The reversal of 40020160357745 is 54775306102004.

It is a happy number.

40020160357745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40020160357745 - 2¹⁴ = 40020160341361 is a prime.

It is a super-2 number, since 2×40020160357745² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40020160357696 and 40020160357705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3679967 + ... + 9673803.

It is an arithmetic number, because the mean of its divisors is an integer number (1604850124500).

Almost surely, 2^{40020160357745} is an apocalyptic number.

It is an amenable number.

40020160357745 is a deficient number, since it is larger than the sum of its proper divisors (11335043626255).

40020160357745 is a wasteful number, since it uses less digits than its factorization.

40020160357745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5994977.

The product of its (nonzero) digits is 705600, while the sum is 44.

Adding to 40020160357745 its reverse (54775306102004), we get a palindrome (94795466459749).

The spelling of 40020160357745 in words is "forty trillion, twenty billion, one hundred sixty million, three hundred fifty-seven thousand, seven hundred forty-five".