40626243 has 36 divisors (see below), whose sum is σ = 72291960. Its totient is φ = 21845376.

The previous prime is 40626221. The next prime is 40626247. The reversal of 40626243 is 34262604.

40626243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40626243 - 2¹⁸ = 40364099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40626247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4788 + ... + 10206.

It is an arithmetic number, because the mean of its divisors is an integer number (2008110).

Almost surely, 2^40626243 is an apocalyptic number.

40626243 is a deficient number, since it is larger than the sum of its proper divisors (31665717).

40626243 is a wasteful number, since it uses less digits than its factorization.

40626243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5456 (or 5446 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 40626243 is about 6373.8719001875. The cubic root of 40626243 is about 343.7707228058.

Adding to 40626243 its reverse (34262604), we get a palindrome (74888847).

The spelling of 40626243 in words is "forty million, six hundred twenty-six thousand, two hundred forty-three".