40611401 has 2 divisors, whose sum is σ = 40611402. Its totient is φ = 40611400.

The previous prime is 40611377. The next prime is 40611449. The reversal of 40611401 is 10411604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29214025 + 11397376 = 5405^2 + 3376^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40611401 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40611401.

It is not a weakly prime, because it can be changed into another prime (40611481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20305700 + 20305701.

It is an arithmetic number, because the mean of its divisors is an integer number (20305701).

Almost surely, 2^40611401 is an apocalyptic number.

It is an amenable number.

40611401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40611401 is an equidigital number, since it uses as much as digits as its factorization.

40611401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 40611401 is about 6372.7075093715. The cubic root of 40611401 is about 343.7288544128.

The spelling of 40611401 in words is "forty million, six hundred eleven thousand, four hundred one".