40307677 has 2 divisors, whose sum is σ = 40307678. Its totient is φ = 40307676.

The previous prime is 40307653. The next prime is 40307681. The reversal of 40307677 is 77670304.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39513796 + 793881 = 6286^2 + 891^2 .

It is a cyclic number.

It is not a de Polignac number, because 40307677 - 2⁷ = 40307549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40307627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20153838 + 20153839.

It is an arithmetic number, because the mean of its divisors is an integer number (20153839).

Almost surely, 2^40307677 is an apocalyptic number.

It is an amenable number.

40307677 is a deficient number, since it is larger than the sum of its proper divisors (1).

40307677 is an equidigital number, since it uses as much as digits as its factorization.

40307677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24696, while the sum is 34.

The square root of 40307677 is about 6348.8327273602. The cubic root of 40307677 is about 342.8698177441.

The spelling of 40307677 in words is "forty million, three hundred seven thousand, six hundred seventy-seven".