40070205 has 24 divisors (see below), whose sum is σ = 79377792. Its totient is φ = 18317664.

The previous prime is 40070153. The next prime is 40070213. The reversal of 40070205 is 50207004.

It is a happy number.

It is not a de Polignac number, because 40070205 - 2⁷ = 40070077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63289 + ... + 63918.

It is an arithmetic number, because the mean of its divisors is an integer number (3307408).

Almost surely, 2^40070205 is an apocalyptic number.

40070205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40070205 is a deficient number, since it is larger than the sum of its proper divisors (39307587).

40070205 is a wasteful number, since it uses less digits than its factorization.

40070205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127225 (or 127222 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 40070205 is about 6330.1030797294. The cubic root of 40070205 is about 342.1951538289.

Adding to 40070205 its reverse (50207004), we get a palindrome (90277209).

The spelling of 40070205 in words is "forty million, seventy thousand, two hundred five".