40368519 has 36 divisors (see below), whose sum is σ = 62400520. Its totient is φ = 25138080.

The previous prime is 40368511. The next prime is 40368527. The reversal of 40368519 is 91586304.

It is an interprime number because it is at equal distance from previous prime (40368511) and next prime (40368527).

It is not a de Polignac number, because 40368519 - 2³ = 40368511 is a prime.

It is a super-2 number, since 2×40368519² = 3259234652506722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40368511) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 290352 + ... + 290490.

Almost surely, 2^40368519 is an apocalyptic number.

40368519 is a deficient number, since it is larger than the sum of its proper divisors (22032001).

40368519 is a wasteful number, since it uses less digits than its factorization.

40368519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 226 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 40368519 is about 6353.6225100332. The cubic root of 40368519 is about 343.0422447664.

The spelling of 40368519 in words is "forty million, three hundred sixty-eight thousand, five hundred nineteen".