40281077 has 2 divisors, whose sum is σ = 40281078. Its totient is φ = 40281076.

The previous prime is 40281071. The next prime is 40281079. The reversal of 40281077 is 77018204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39112516 + 1168561 = 6254^2 + 1081^2 .

It is a cyclic number.

It is not a de Polignac number, because 40281077 - 2⁴ = 40281061 is a prime.

Together with 40281079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40281071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20140538 + 20140539.

It is an arithmetic number, because the mean of its divisors is an integer number (20140539).

Almost surely, 2^40281077 is an apocalyptic number.

It is an amenable number.

40281077 is a deficient number, since it is larger than the sum of its proper divisors (1).

40281077 is an equidigital number, since it uses as much as digits as its factorization.

40281077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3136, while the sum is 29.

The square root of 40281077 is about 6346.7375083581. The cubic root of 40281077 is about 342.7943784828.

The spelling of 40281077 in words is "forty million, two hundred eighty-one thousand, seventy-seven".