40245205 has 96 divisors (see below), whose sum is σ = 70785792. Its totient is φ = 21288960.

The previous prime is 40245197. The next prime is 40245229. The reversal of 40245205 is 50254204.

It is not a de Polignac number, because 40245205 - 2³ = 40245197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 935914 + ... + 935956.

It is an arithmetic number, because the mean of its divisors is an integer number (737352).

Almost surely, 2^40245205 is an apocalyptic number.

It is an amenable number.

40245205 is a deficient number, since it is larger than the sum of its proper divisors (30540587).

40245205 is a wasteful number, since it uses less digits than its factorization.

40245205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 40245205 is about 6343.9108600295. The cubic root of 40245205 is about 342.6925906383.

Adding to 40245205 its reverse (50254204), we get a palindrome (90499409).

It can be divided in two parts, 4024 and 5205, that added together give a palindrome (9229).

The spelling of 40245205 in words is "forty million, two hundred forty-five thousand, two hundred five".