40841407 has 2 divisors, whose sum is σ = 40841408. Its totient is φ = 40841406.

The previous prime is 40841389. The next prime is 40841441. The reversal of 40841407 is 70414804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40841407 - 2¹⁵ = 40808639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40841447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20420703 + 20420704.

It is an arithmetic number, because the mean of its divisors is an integer number (20420704).

Almost surely, 2^40841407 is an apocalyptic number.

40841407 is a deficient number, since it is larger than the sum of its proper divisors (1).

40841407 is an equidigital number, since it uses as much as digits as its factorization.

40841407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 40841407 is about 6390.7282057681. The cubic root of 40841407 is about 344.3765453821.

The spelling of 40841407 in words is "forty million, eight hundred forty-one thousand, four hundred seven".