40460261 has 2 divisors, whose sum is σ = 40460262. Its totient is φ = 40460260.

The previous prime is 40460257. The next prime is 40460269. The reversal of 40460261 is 16206404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30316036 + 10144225 = 5506^2 + 3185^2 .

It is a cyclic number.

It is not a de Polignac number, because 40460261 - 2² = 40460257 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40460269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20230130 + 20230131.

It is an arithmetic number, because the mean of its divisors is an integer number (20230131).

Almost surely, 2^40460261 is an apocalyptic number.

It is an amenable number.

40460261 is a deficient number, since it is larger than the sum of its proper divisors (1).

40460261 is an equidigital number, since it uses as much as digits as its factorization.

40460261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40460261 is about 6360.8380737132. The cubic root of 40460261 is about 343.3019155172.

Adding to 40460261 its reverse (16206404), we get a palindrome (56666665).

The spelling of 40460261 in words is "forty million, four hundred sixty thousand, two hundred sixty-one".