40123200019 has 8 divisors (see below), whose sum is σ = 45872046848. Its totient is φ = 34378593480.

The previous prime is 40123199959. The next prime is 40123200041. The reversal of 40123200019 is 91000232104.

40123200019 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 not a de Polignac number, because 40123200019 - 2⁹ = 40123199507 is a prime.

It is a super-2 number, since 2×40123200019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40123200059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039767 + ... + 1077664.

It is an arithmetic number, because the mean of its divisors is an integer number (5734005856).

Almost surely, 2^40123200019 is an apocalyptic number.

40123200019 is a deficient number, since it is larger than the sum of its proper divisors (5748846829).

40123200019 is a wasteful number, since it uses less digits than its factorization.

40123200019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120145.

The product of its (nonzero) digits is 432, while the sum is 22.

The spelling of 40123200019 in words is "forty billion, one hundred twenty-three million, two hundred thousand, nineteen".