40370774046457 has 2 divisors, whose sum is σ = 40370774046458. Its totient is φ = 40370774046456.

The previous prime is 40370774046419. The next prime is 40370774046503. The reversal of 40370774046457 is 75464047707304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30287202431161 + 10083571615296 = 5503381^2 + 3175464^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40370774046457 is a prime.

It is a super-2 number, since 2×40370774046457² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40370774746457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20185387023228 + 20185387023229.

It is an arithmetic number, because the mean of its divisors is an integer number (20185387023229).

Almost surely, 2^{40370774046457} is an apocalyptic number.

It is an amenable number.

40370774046457 is a deficient number, since it is larger than the sum of its proper divisors (1).

40370774046457 is an equidigital number, since it uses as much as digits as its factorization.

40370774046457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55319040, while the sum is 58.

The spelling of 40370774046457 in words is "forty trillion, three hundred seventy billion, seven hundred seventy-four million, forty-six thousand, four hundred fifty-seven".