40043200157 has 2 divisors, whose sum is σ = 40043200158. Its totient is φ = 40043200156.

The previous prime is 40043200111. The next prime is 40043200163. The reversal of 40043200157 is 75100234004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39972404761 + 70795396 = 199931^2 + 8414^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40043200157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40043200177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20021600078 + 20021600079.

It is an arithmetic number, because the mean of its divisors is an integer number (20021600079).

Almost surely, 2^40043200157 is an apocalyptic number.

It is an amenable number.

40043200157 is a deficient number, since it is larger than the sum of its proper divisors (1).

40043200157 is an equidigital number, since it uses as much as digits as its factorization.

40043200157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 26.

The spelling of 40043200157 in words is "forty billion, forty-three million, two hundred thousand, one hundred fifty-seven".