40454205 has 16 divisors (see below), whose sum is σ = 70611264. Its totient is φ = 19614080.

The previous prime is 40454201. The next prime is 40454213. The reversal of 40454205 is 50245404.

It is not a de Polignac number, because 40454205 - 2² = 40454201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40454201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122424 + ... + 122753.

It is an arithmetic number, because the mean of its divisors is an integer number (4413204).

Almost surely, 2^40454205 is an apocalyptic number.

It is an amenable number.

40454205 is a deficient number, since it is larger than the sum of its proper divisors (30157059).

40454205 is a wasteful number, since it uses less digits than its factorization.

40454205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245196.

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 40454205 is about 6360.3620179987. The cubic root of 40454205 is about 343.2847864455.

Adding to 40454205 its reverse (50245404), we get a palindrome (90699609).

The spelling of 40454205 in words is "forty million, four hundred fifty-four thousand, two hundred five".