40543305420231 has 16 divisors (see below), whose sum is σ = 60064708677120. Its totient is φ = 27028621655640.

The previous prime is 40543305420227. The next prime is 40543305420281. The reversal of 40543305420231 is 13202450334504.

40543305420231 is a `hidden beast` number, since 4 + 0 + 54 + 3 + 30 + 542 + 0 + 2 + 31 = 666.

It is not a de Polignac number, because 40543305420231 - 2² = 40543305420227 is a prime.

It is a super-2 number, since 2×40543305420231² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40543305420221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3892705 + ... + 9810186.

It is an arithmetic number, because the mean of its divisors is an integer number (3754044292320).

Almost surely, 2^{40543305420231} is an apocalyptic number.

40543305420231 is a deficient number, since it is larger than the sum of its proper divisors (19521403256889).

40543305420231 is a wasteful number, since it uses less digits than its factorization.

40543305420231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13812483 (or 13812477 counting only the distinct ones).

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

Adding to 40543305420231 its reverse (13202450334504), we get a palindrome (53745755754735).

The spelling of 40543305420231 in words is "forty trillion, five hundred forty-three billion, three hundred five million, four hundred twenty thousand, two hundred thirty-one".