40626325 has 24 divisors (see below), whose sum is σ = 51780168. Its totient is φ = 31610880.

The previous prime is 40626323. The next prime is 40626329. The reversal of 40626325 is 52362604.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 9523396 + 31102929 = 3086^2 + 5577^2 .

It is not a de Polignac number, because 40626325 - 2¹ = 40626323 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40626293 and 40626302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40626323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206127 + ... + 206323.

It is an arithmetic number, because the mean of its divisors is an integer number (2157507).

Almost surely, 2^40626325 is an apocalyptic number.

It is an amenable number.

40626325 is a deficient number, since it is larger than the sum of its proper divisors (11153843).

40626325 is a wasteful number, since it uses less digits than its factorization.

40626325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 40626325 is about 6373.8783326951. The cubic root of 40626325 is about 343.7709540946.

Adding to 40626325 its reverse (52362604), we get a palindrome (92988929).

The spelling of 40626325 in words is "forty million, six hundred twenty-six thousand, three hundred twenty-five".