40255601 has 2 divisors, whose sum is σ = 40255602. Its totient is φ = 40255600.

The previous prime is 40255583. The next prime is 40255603. The reversal of 40255601 is 10655204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36012001 + 4243600 = 6001^2 + 2060^2 .

It is a cyclic number.

It is not a de Polignac number, because 40255601 - 2¹⁴ = 40239217 is a prime.

Together with 40255603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40255603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20127800 + 20127801.

It is an arithmetic number, because the mean of its divisors is an integer number (20127801).

Almost surely, 2^40255601 is an apocalyptic number.

It is an amenable number.

40255601 is a deficient number, since it is larger than the sum of its proper divisors (1).

40255601 is an equidigital number, since it uses as much as digits as its factorization.

40255601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 40255601 is about 6344.7301755079. The cubic root of 40255601 is about 342.7220958133.

The spelling of 40255601 in words is "forty million, two hundred fifty-five thousand, six hundred one".