40001252353109 has 2 divisors, whose sum is σ = 40001252353110. Its totient is φ = 40001252353108.

The previous prime is 40001252353037. The next prime is 40001252353129. The reversal of 40001252353109 is 90135325210004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32936660468209 + 7064591884900 = 5739047^2 + 2657930^2 .

It is a cyclic number.

It is not a de Polignac number, because 40001252353109 - 2²⁴ = 40001235575893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40001252353129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20000626176554 + 20000626176555.

It is an arithmetic number, because the mean of its divisors is an integer number (20000626176555).

Almost surely, 2^{40001252353109} is an apocalyptic number.

It is an amenable number.

40001252353109 is a deficient number, since it is larger than the sum of its proper divisors (1).

40001252353109 is an equidigital number, since it uses as much as digits as its factorization.

40001252353109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 35.

The spelling of 40001252353109 in words is "forty trillion, one billion, two hundred fifty-two million, three hundred fifty-three thousand, one hundred nine".