40132065487421 has 2 divisors, whose sum is σ = 40132065487422. Its totient is φ = 40132065487420.

The previous prime is 40132065487411. The next prime is 40132065487447. The reversal of 40132065487421 is 12478456023104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38498426184100 + 1633639303321 = 6204710^2 + 1278139^2 .

It is a cyclic number.

It is not a de Polignac number, because 40132065487421 - 2⁶ = 40132065487357 is a prime.

It is a super-2 number, since 2×40132065487421² (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 (40132065487411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20066032743710 + 20066032743711.

It is an arithmetic number, because the mean of its divisors is an integer number (20066032743711).

Almost surely, 2^{40132065487421} is an apocalyptic number.

It is an amenable number.

40132065487421 is a deficient number, since it is larger than the sum of its proper divisors (1).

40132065487421 is an equidigital number, since it uses as much as digits as its factorization.

40132065487421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 40132065487421 in words is "forty trillion, one hundred thirty-two billion, sixty-five million, four hundred eighty-seven thousand, four hundred twenty-one".