40377307 has 2 divisors, whose sum is σ = 40377308. Its totient is φ = 40377306.

The previous prime is 40377263. The next prime is 40377331. The reversal of 40377307 is 70377304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40377307 - 2⁷ = 40377179 is a prime.

It is not a weakly prime, because it can be changed into another prime (40377347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20188653 + 20188654.

It is an arithmetic number, because the mean of its divisors is an integer number (20188654).

Almost surely, 2^40377307 is an apocalyptic number.

40377307 is a deficient number, since it is larger than the sum of its proper divisors (1).

40377307 is an equidigital number, since it uses as much as digits as its factorization.

40377307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348, while the sum is 31.

The square root of 40377307 is about 6354.3140463783. The cubic root of 40377307 is about 343.0671357506.

The spelling of 40377307 in words is "forty million, three hundred seventy-seven thousand, three hundred seven".