40206228025 has 12 divisors (see below), whose sum is σ = 50114048572. Its totient is φ = 31998320640.

The previous prime is 40206228011. The next prime is 40206228043. The reversal of 40206228025 is 52082260204.

It can be written as a sum of positive squares in 6 ways, for example, as 6110236224 + 34095991801 = 78168^2 + 184651^2 .

It is not a de Polignac number, because 40206228025 - 2¹¹ = 40206225977 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4161624 + ... + 4171273.

Almost surely, 2^40206228025 is an apocalyptic number.

It is an amenable number.

40206228025 is a deficient number, since it is larger than the sum of its proper divisors (9907820547).

40206228025 is a wasteful number, since it uses less digits than its factorization.

40206228025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8333100 (or 8333095 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 40206228025 its reverse (52082260204), we get a palindrome (92288488229).

The spelling of 40206228025 in words is "forty billion, two hundred six million, two hundred twenty-eight thousand, twenty-five".