40966405 has 4 divisors (see below), whose sum is σ = 49159692. Its totient is φ = 32773120.

The previous prime is 40966399. The next prime is 40966411. The reversal of 40966405 is 50466904.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40966399) and next prime (40966411).

It can be written as a sum of positive squares in 2 ways, for example, as 10870209 + 30096196 = 3297^2 + 5486^2 .

It is not a de Polignac number, because 40966405 - 2³ = 40966397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4096636 + ... + 4096645.

It is an arithmetic number, because the mean of its divisors is an integer number (12289923).

Almost surely, 2^40966405 is an apocalyptic number.

It is an amenable number.

40966405 is a deficient number, since it is larger than the sum of its proper divisors (8193287).

40966405 is an equidigital number, since it uses as much as digits as its factorization.

40966405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8193286.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 40966405 is about 6400.5003710647. The cubic root of 40966405 is about 344.7275171173.

It can be divided in two parts, 4096640 and 5, that multiplied together give a triangular number (20483200 = T₆₄₀₀).

The spelling of 40966405 in words is "forty million, nine hundred sixty-six thousand, four hundred five".