40553719 has 2 divisors, whose sum is σ = 40553720. Its totient is φ = 40553718.

The previous prime is 40553701. The next prime is 40553731. The reversal of 40553719 is 91735504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40553719 - 2¹¹ = 40551671 is a prime.

It is a super-2 number, since 2×40553719² = 3289208249461922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40553519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20276859 + 20276860.

It is an arithmetic number, because the mean of its divisors is an integer number (20276860).

Almost surely, 2^40553719 is an apocalyptic number.

40553719 is a deficient number, since it is larger than the sum of its proper divisors (1).

40553719 is an equidigital number, since it uses as much as digits as its factorization.

40553719 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 40553719 is about 6368.1801953148. The cubic root of 40553719 is about 343.5660400165.

The spelling of 40553719 in words is "forty million, five hundred fifty-three thousand, seven hundred nineteen".