40003019 has 8 divisors (see below), whose sum is σ = 45850080. Its totient is φ = 34189056.

The previous prime is 40003009. The next prime is 40003027. The reversal of 40003019 is 91030004.

40003019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40003019 is a prime.

It is a super-2 number, since 2×40003019² = 3200483058228722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40002988 and 40003006.

It is not an unprimeable number, because it can be changed into a prime (40003009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5624 + ... + 10565.

It is an arithmetic number, because the mean of its divisors is an integer number (5731260).

Almost surely, 2^40003019 is an apocalyptic number.

40003019 is a deficient number, since it is larger than the sum of its proper divisors (5847061).

40003019 is a wasteful number, since it uses less digits than its factorization.

40003019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16549.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 40003019 is about 6324.7939887399. The cubic root of 40003019 is about 342.0037931479.

The spelling of 40003019 in words is "forty million, three thousand, nineteen".