40956401 has 2 divisors, whose sum is σ = 40956402. Its totient is φ = 40956400.

The previous prime is 40956371. The next prime is 40956413. The reversal of 40956401 is 10465904.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23775376 + 17181025 = 4876^2 + 4145^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40956401 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40956481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20478200 + 20478201.

It is an arithmetic number, because the mean of its divisors is an integer number (20478201).

Almost surely, 2^40956401 is an apocalyptic number.

It is an amenable number.

40956401 is a deficient number, since it is larger than the sum of its proper divisors (1).

40956401 is an equidigital number, since it uses as much as digits as its factorization.

40956401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 40956401 is about 6399.7188219484. The cubic root of 40956401 is about 344.6994540020.

The spelling of 40956401 in words is "forty million, nine hundred fifty-six thousand, four hundred one".