40352225 has 12 divisors (see below), whose sum is σ = 50294400. Its totient is φ = 32115600.

The previous prime is 40352197. The next prime is 40352233. The reversal of 40352225 is 52225304.

It is not a de Polignac number, because 40352225 - 2¹² = 40348129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40352225.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 920 + ... + 9030.

It is an arithmetic number, because the mean of its divisors is an integer number (4191200).

Almost surely, 2^40352225 is an apocalyptic number.

It is an amenable number.

40352225 is a deficient number, since it is larger than the sum of its proper divisors (9942175).

40352225 is a wasteful number, since it uses less digits than its factorization.

40352225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8320 (or 8315 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 40352225 is about 6352.3401199873. The cubic root of 40352225 is about 342.9960843532.

Adding to 40352225 its reverse (52225304), we get a palindrome (92577529).

The spelling of 40352225 in words is "forty million, three hundred fifty-two thousand, two hundred twenty-five".