40512754052431 has 2 divisors, whose sum is σ = 40512754052432. Its totient is φ = 40512754052430.

The previous prime is 40512754052417. The next prime is 40512754052489. The reversal of 40512754052431 is 13425045721504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40512754052431 - 2²⁷ = 40512619834703 is a prime.

It is a super-2 number, since 2×40512754052431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40512754052531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20256377026215 + 20256377026216.

It is an arithmetic number, because the mean of its divisors is an integer number (20256377026216).

Almost surely, 2^{40512754052431} is an apocalyptic number.

40512754052431 is a deficient number, since it is larger than the sum of its proper divisors (1).

40512754052431 is an equidigital number, since it uses as much as digits as its factorization.

40512754052431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 672000, while the sum is 43.

Adding to 40512754052431 its reverse (13425045721504), we get a palindrome (53937799773935).

The spelling of 40512754052431 in words is "forty trillion, five hundred twelve billion, seven hundred fifty-four million, fifty-two thousand, four hundred thirty-one".