40632379 has 2 divisors, whose sum is σ = 40632380. Its totient is φ = 40632378.

The previous prime is 40632343. The next prime is 40632391. The reversal of 40632379 is 97323604.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40632379 - 2²¹ = 38535227 is a prime.

It is not a weakly prime, because it can be changed into another prime (40632679) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20316189 + 20316190.

It is an arithmetic number, because the mean of its divisors is an integer number (20316190).

Almost surely, 2^40632379 is an apocalyptic number.

40632379 is a deficient number, since it is larger than the sum of its proper divisors (1).

40632379 is an equidigital number, since it uses as much as digits as its factorization.

40632379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 34.

The square root of 40632379 is about 6374.3532220924. The cubic root of 40632379 is about 343.7880291150.

The spelling of 40632379 in words is "forty million, six hundred thirty-two thousand, three hundred seventy-nine".