40711405 has 12 divisors (see below), whose sum is σ = 56830140. Its totient is φ = 27916224.

The previous prime is 40711399. The next prime is 40711421. The reversal of 40711405 is 50411704.

It can be written as a sum of positive squares in 2 ways, for example, as 20766249 + 19945156 = 4557^2 + 4466^2 .

It is not a de Polignac number, because 40711405 - 2³ = 40711397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 82840 + ... + 83329.

It is an arithmetic number, because the mean of its divisors is an integer number (4735845).

Almost surely, 2^40711405 is an apocalyptic number.

It is an amenable number.

40711405 is a deficient number, since it is larger than the sum of its proper divisors (16118735).

40711405 is a wasteful number, since it uses less digits than its factorization.

40711405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166188 (or 166181 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 40711405 is about 6380.5489575741. The cubic root of 40711405 is about 344.0107628010.

It can be divided in two parts, 4071 and 1405, that added together give a square (5476 = 74²).

The spelling of 40711405 in words is "forty million, seven hundred eleven thousand, four hundred five".