40252418741 has 2 divisors, whose sum is σ = 40252418742. Its totient is φ = 40252418740.

The previous prime is 40252418693. The next prime is 40252418779. The reversal of 40252418741 is 14781425204.

It is an a-pointer prime, because the next prime (40252418779) can be obtained adding 40252418741 to its sum of digits (38).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37818969841 + 2433448900 = 194471^2 + 49330^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40252418741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40252418695 and 40252418704.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40252411741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20126209370 + 20126209371.

It is an arithmetic number, because the mean of its divisors is an integer number (20126209371).

Almost surely, 2^40252418741 is an apocalyptic number.

It is an amenable number.

40252418741 is a deficient number, since it is larger than the sum of its proper divisors (1).

40252418741 is an equidigital number, since it uses as much as digits as its factorization.

40252418741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 71680, while the sum is 38.

The spelling of 40252418741 in words is "forty billion, two hundred fifty-two million, four hundred eighteen thousand, seven hundred forty-one".