40211406457 has 2 divisors, whose sum is σ = 40211406458. Its totient is φ = 40211406456.

The previous prime is 40211406421. The next prime is 40211406463. The reversal of 40211406457 is 75460411204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38015640576 + 2195765881 = 194976^2 + 46859^2 .

It is a cyclic number.

It is not a de Polignac number, because 40211406457 - 2⁷ = 40211406329 is a prime.

It is a super-2 number, since 2×40211406457² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40211416457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20105703228 + 20105703229.

It is an arithmetic number, because the mean of its divisors is an integer number (20105703229).

Almost surely, 2^40211406457 is an apocalyptic number.

It is an amenable number.

40211406457 is a deficient number, since it is larger than the sum of its proper divisors (1).

40211406457 is an equidigital number, since it uses as much as digits as its factorization.

40211406457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The spelling of 40211406457 in words is "forty billion, two hundred eleven million, four hundred six thousand, four hundred fifty-seven".