40630519 has 2 divisors, whose sum is σ = 40630520. Its totient is φ = 40630518.

The previous prime is 40630483. The next prime is 40630573. The reversal of 40630519 is 91503604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40630519 - 2¹⁷ = 40499447 is a prime.

It is a super-2 number, since 2×40630519² = 3301678148418722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40630589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20315259 + 20315260.

It is an arithmetic number, because the mean of its divisors is an integer number (20315260).

Almost surely, 2^40630519 is an apocalyptic number.

40630519 is a deficient number, since it is larger than the sum of its proper divisors (1).

40630519 is an equidigital number, since it uses as much as digits as its factorization.

40630519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 40630519 is about 6374.2073232677. The cubic root of 40630519 is about 343.7827832535.

The spelling of 40630519 in words is "forty million, six hundred thirty thousand, five hundred nineteen".