40020252319 has 4 divisors (see below), whose sum is σ = 40335372544. Its totient is φ = 39705132096.

The previous prime is 40020252301. The next prime is 40020252341. The reversal of 40020252319 is 91325202004.

40020252319 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40020252319 is a prime.

It is a super-3 number, since 3×40020252319³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40020252359) 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, 157559922 + ... + 157560175.

It is an arithmetic number, because the mean of its divisors is an integer number (10083843136).

Almost surely, 2^40020252319 is an apocalyptic number.

40020252319 is a deficient number, since it is larger than the sum of its proper divisors (315120225).

40020252319 is a wasteful number, since it uses less digits than its factorization.

40020252319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315120224.

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

The spelling of 40020252319 in words is "forty billion, twenty million, two hundred fifty-two thousand, three hundred nineteen".