40751801 has 2 divisors, whose sum is σ = 40751802. Its totient is φ = 40751800.

The previous prime is 40751797. The next prime is 40751803. The reversal of 40751801 is 10815704.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34798201 + 5953600 = 5899^2 + 2440^2 .

It is a cyclic number.

It is not a de Polignac number, because 40751801 - 2² = 40751797 is a prime.

Together with 40751803, 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 (40751803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20375900 + 20375901.

It is an arithmetic number, because the mean of its divisors is an integer number (20375901).

Almost surely, 2^40751801 is an apocalyptic number.

It is an amenable number.

40751801 is a deficient number, since it is larger than the sum of its proper divisors (1).

40751801 is an equidigital number, since it uses as much as digits as its factorization.

40751801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 40751801 is about 6383.7137310503. The cubic root of 40751801 is about 344.1245070534.

The spelling of 40751801 in words is "forty million, seven hundred fifty-one thousand, eight hundred one".