40042145460043 has 32 divisors (see below), whose sum is σ = 43111377446400. Its totient is φ = 37058038617600.

The previous prime is 40042145460029. The next prime is 40042145460059. The reversal of 40042145460043 is 34006454124004.

It is a cyclic number.

It is not a de Polignac number, because 40042145460043 - 2¹⁷ = 40042145328971 is a prime.

It is a super-2 number, since 2×40042145460043² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40042145459984 and 40042145460011.

It is not an unprimeable number, because it can be changed into a prime (40042145460143) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 186793480 + ... + 187007722.

It is an arithmetic number, because the mean of its divisors is an integer number (1347230545200).

Almost surely, 2^{40042145460043} is an apocalyptic number.

40042145460043 is a deficient number, since it is larger than the sum of its proper divisors (3069231986357).

40042145460043 is a wasteful number, since it uses less digits than its factorization.

40042145460043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215107.

The product of its (nonzero) digits is 184320, while the sum is 37.

Adding to 40042145460043 its reverse (34006454124004), we get a palindrome (74048599584047).

The spelling of 40042145460043 in words is "forty trillion, forty-two billion, one hundred forty-five million, four hundred sixty thousand, forty-three".