40205342503143 has 6 divisors (see below), whose sum is σ = 58074383615664. Its totient is φ = 26803561668756.

The previous prime is 40205342503133. The next prime is 40205342503147. The reversal of 40205342503143 is 34130524350204.

40205342503143 is a `hidden beast` number, since 4 + 0 + 2 + 0 + 5 + 3 + 4 + 2 + 503 + 143 = 666.

It is not a de Polignac number, because 40205342503143 - 2³⁷ = 40067903549671 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40205342503098 and 40205342503107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40205342503147) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2233630139055 + ... + 2233630139072.

It is an arithmetic number, because the mean of its divisors is an integer number (9679063935944).

Almost surely, 2^{40205342503143} is an apocalyptic number.

40205342503143 is a deficient number, since it is larger than the sum of its proper divisors (17869041112521).

40205342503143 is a wasteful number, since it uses less digits than its factorization.

40205342503143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467260278133 (or 4467260278130 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 40205342503143 its reverse (34130524350204), we get a palindrome (74335866853347).

The spelling of 40205342503143 in words is "forty trillion, two hundred five billion, three hundred forty-two million, five hundred three thousand, one hundred forty-three".