40523419 has 2 divisors, whose sum is σ = 40523420. Its totient is φ = 40523418.

The previous prime is 40523387. The next prime is 40523449. The reversal of 40523419 is 91432504.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40523419 - 2⁵ = 40523387 is a prime.

It is a super-2 number, since 2×40523419² = 3284294974899122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40523449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20261709 + 20261710.

It is an arithmetic number, because the mean of its divisors is an integer number (20261710).

Almost surely, 2^40523419 is an apocalyptic number.

40523419 is a deficient number, since it is larger than the sum of its proper divisors (1).

40523419 is an equidigital number, since it uses as much as digits as its factorization.

40523419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40523419 is about 6365.8007351786. The cubic root of 40523419 is about 343.4804527593.

The spelling of 40523419 in words is "forty million, five hundred twenty-three thousand, four hundred nineteen".