40411825 has 6 divisors (see below), whose sum is σ = 50110694. Its totient is φ = 32329440.

The previous prime is 40411823. The next prime is 40411831. The reversal of 40411825 is 52811404.

It can be written as a sum of positive squares in 3 ways, for example, as 11778624 + 28633201 = 3432^2 + 5351^2 .

It is not a de Polignac number, because 40411825 - 2¹ = 40411823 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 1616473 = 40411825 / (4 + 0 + 4 + 1 + 1 + 8 + 2 + 5).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40411825.

It is not an unprimeable number, because it can be changed into a prime (40411823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 808212 + ... + 808261.

Almost surely, 2^40411825 is an apocalyptic number.

It is an amenable number.

40411825 is a deficient number, since it is larger than the sum of its proper divisors (9698869).

40411825 is a wasteful number, since it uses less digits than its factorization.

40411825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616483 (or 1616478 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 40411825 is about 6357.0295736295. The cubic root of 40411825 is about 343.1648690184.

The spelling of 40411825 in words is "forty million, four hundred eleven thousand, eight hundred twenty-five".