40432253124437 has 2 divisors, whose sum is σ = 40432253124438. Its totient is φ = 40432253124436.

The previous prime is 40432253124359. The next prime is 40432253124457. The reversal of 40432253124437 is 73442135223404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22751287768561 + 17680965355876 = 4769831^2 + 4204874^2 .

It is a cyclic number.

It is not a de Polignac number, because 40432253124437 - 2³⁰ = 40431179382613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40432253124457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20216126562218 + 20216126562219.

It is an arithmetic number, because the mean of its divisors is an integer number (20216126562219).

Almost surely, 2^{40432253124437} is an apocalyptic number.

It is an amenable number.

40432253124437 is a deficient number, since it is larger than the sum of its proper divisors (1).

40432253124437 is an equidigital number, since it uses as much as digits as its factorization.

40432253124437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1935360, while the sum is 44.

The spelling of 40432253124437 in words is "forty trillion, four hundred thirty-two billion, two hundred fifty-three million, one hundred twenty-four thousand, four hundred thirty-seven".