40869005 has 32 divisors (see below), whose sum is σ = 53222400. Its totient is φ = 30067200.

The previous prime is 40868959. The next prime is 40869007. The reversal of 40869005 is 50096804.

It is not a de Polignac number, because 40869005 - 2⁶ = 40868941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40869007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 374891 + ... + 374999.

It is an arithmetic number, because the mean of its divisors is an integer number (1663200).

Almost surely, 2^40869005 is an apocalyptic number.

It is an amenable number.

40869005 is a deficient number, since it is larger than the sum of its proper divisors (12353395).

40869005 is a wasteful number, since it uses less digits than its factorization.

40869005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 40869005 is about 6392.8870629787. The cubic root of 40869005 is about 344.4540971011.

The spelling of 40869005 in words is "forty million, eight hundred sixty-nine thousand, five".