40200245 has 4 divisors (see below), whose sum is σ = 48240300. Its totient is φ = 32160192.

The previous prime is 40200203. The next prime is 40200253. The reversal of 40200245 is 54200204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24216241 + 15984004 = 4921^2 + 3998^2 .

It is a cyclic number.

It is not a de Polignac number, because 40200245 - 2¹⁰ = 40199221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4020020 + ... + 4020029.

It is an arithmetic number, because the mean of its divisors is an integer number (12060075).

Almost surely, 2^40200245 is an apocalyptic number.

It is an amenable number.

40200245 is a deficient number, since it is larger than the sum of its proper divisors (8040055).

40200245 is an equidigital number, since it uses as much as digits as its factorization.

40200245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8040054.

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 40200245 is about 6340.3663143386. The cubic root of 40200245 is about 342.5649298820.

Adding to 40200245 its reverse (54200204), we get a palindrome (94400449).

The spelling of 40200245 in words is "forty million, two hundred thousand, two hundred forty-five".