40121368747 has 2 divisors, whose sum is σ = 40121368748. Its totient is φ = 40121368746.

The previous prime is 40121368723. The next prime is 40121368759. The reversal of 40121368747 is 74786312104.

40121368747 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40121368747 - 2²⁷ = 39987151019 is a prime.

It is not a weakly prime, because it can be changed into another prime (40121368787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20060684373 + 20060684374.

It is an arithmetic number, because the mean of its divisors is an integer number (20060684374).

Almost surely, 2^40121368747 is an apocalyptic number.

40121368747 is a deficient number, since it is larger than the sum of its proper divisors (1).

40121368747 is an equidigital number, since it uses as much as digits as its factorization.

40121368747 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225792, while the sum is 43.

The spelling of 40121368747 in words is "forty billion, one hundred twenty-one million, three hundred sixty-eight thousand, seven hundred forty-seven".