40356077 has 2 divisors, whose sum is σ = 40356078. Its totient is φ = 40356076.

The previous prime is 40356073. The next prime is 40356089. The reversal of 40356077 is 77065304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38576521 + 1779556 = 6211^2 + 1334^2 .

It is a cyclic number.

It is not a de Polignac number, because 40356077 - 2² = 40356073 is a prime.

It is a super-2 number, since 2×40356077² = 3257225901659858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40356073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20178038 + 20178039.

It is an arithmetic number, because the mean of its divisors is an integer number (20178039).

Almost surely, 2^40356077 is an apocalyptic number.

It is an amenable number.

40356077 is a deficient number, since it is larger than the sum of its proper divisors (1).

40356077 is an equidigital number, since it uses as much as digits as its factorization.

40356077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 40356077 is about 6352.6433081041. The cubic root of 40356077 is about 343.0069980751.

The spelling of 40356077 in words is "forty million, three hundred fifty-six thousand, seventy-seven".