40932162281 has 2 divisors, whose sum is σ = 40932162282. Its totient is φ = 40932162280.

The previous prime is 40932162127. The next prime is 40932162287. The reversal of 40932162281 is 18226123904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21738553600 + 19193608681 = 147440^2 + 138541^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40932162281 is a prime.

It is a super-2 number, since 2×40932162281² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40932162287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20466081140 + 20466081141.

It is an arithmetic number, because the mean of its divisors is an integer number (20466081141).

Almost surely, 2^40932162281 is an apocalyptic number.

It is an amenable number.

40932162281 is a deficient number, since it is larger than the sum of its proper divisors (1).

40932162281 is an equidigital number, since it uses as much as digits as its factorization.

40932162281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 38.

The spelling of 40932162281 in words is "forty billion, nine hundred thirty-two million, one hundred sixty-two thousand, two hundred eighty-one".