40625761901 has 2 divisors, whose sum is σ = 40625761902. Its totient is φ = 40625761900.

The previous prime is 40625761823. The next prime is 40625761937. The reversal of 40625761901 is 10916752604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38461093225 + 2164668676 = 196115^2 + 46526^2 .

It is a cyclic number.

It is not a de Polignac number, because 40625761901 - 2³⁰ = 39552020077 is a prime.

It is a super-3 number, since 3×40625761901³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40625701901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20312880950 + 20312880951.

It is an arithmetic number, because the mean of its divisors is an integer number (20312880951).

Almost surely, 2^40625761901 is an apocalyptic number.

It is an amenable number.

40625761901 is a deficient number, since it is larger than the sum of its proper divisors (1).

40625761901 is an equidigital number, since it uses as much as digits as its factorization.

40625761901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 40625761901 in words is "forty billion, six hundred twenty-five million, seven hundred sixty-one thousand, nine hundred one".