40024319 has 4 divisors (see below), whose sum is σ = 40073544. Its totient is φ = 39975096.

The previous prime is 40024297. The next prime is 40024339. The reversal of 40024319 is 91342004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40024319 - 2²⁰ = 38975743 is a prime.

It is a super-2 number, since 2×40024319² = 3203892222827522, 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 = 40024294 and 40024303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23372 + ... + 25025.

It is an arithmetic number, because the mean of its divisors is an integer number (10018386).

Almost surely, 2^40024319 is an apocalyptic number.

40024319 is a deficient number, since it is larger than the sum of its proper divisors (49225).

40024319 is an equidigital number, since it uses as much as digits as its factorization.

40024319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49224.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 40024319 is about 6326.4776139650. The cubic root of 40024319 is about 342.0644834693.

The spelling of 40024319 in words is "forty million, twenty-four thousand, three hundred nineteen".