40961867 has 2 divisors, whose sum is σ = 40961868. Its totient is φ = 40961866.

The previous prime is 40961861. The next prime is 40961897. The reversal of 40961867 is 76816904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40961867 - 2⁸ = 40961611 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40961861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20480933 + 20480934.

It is an arithmetic number, because the mean of its divisors is an integer number (20480934).

Almost surely, 2^40961867 is an apocalyptic number.

40961867 is a deficient number, since it is larger than the sum of its proper divisors (1).

40961867 is an equidigital number, since it uses as much as digits as its factorization.

40961867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 40961867 is about 6400.1458577129. The cubic root of 40961867 is about 344.7147877338.

The spelling of 40961867 in words is "forty million, nine hundred sixty-one thousand, eight hundred sixty-seven".