40202265 has 16 divisors (see below), whose sum is σ = 66542400. Its totient is φ = 20701632.

The previous prime is 40202243. The next prime is 40202269. The reversal of 40202265 is 56220204.

It is not a de Polignac number, because 40202265 - 2¹⁰ = 40201241 is a prime.

It is a super-2 number, since 2×40202265² = 3232444222260450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40202269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45775 + ... + 46644.

It is an arithmetic number, because the mean of its divisors is an integer number (4158900).

Almost surely, 2^40202265 is an apocalyptic number.

It is an amenable number.

40202265 is a deficient number, since it is larger than the sum of its proper divisors (26340135).

40202265 is a wasteful number, since it uses less digits than its factorization.

40202265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92456.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40202265 is about 6340.5256091274. The cubic root of 40202265 is about 342.5706675714.

Adding to 40202265 its reverse (56220204), we get a palindrome (96422469).

The spelling of 40202265 in words is "forty million, two hundred two thousand, two hundred sixty-five".