40156120019 has 8 divisors (see below), whose sum is σ = 44756047440. Its totient is φ = 35804837376.

The previous prime is 40156119929. The next prime is 40156120031. The reversal of 40156120019 is 91002165104.

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

It is a cyclic number.

It is not a de Polignac number, because 40156120019 - 2²⁰ = 40155071443 is a prime.

It is a super-2 number, since 2×40156120019² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40156119973 and 40156120000.

It is not an unprimeable number, because it can be changed into a prime (40156120099) 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, 62160854 + ... + 62161499.

It is an arithmetic number, because the mean of its divisors is an integer number (5594505930).

Almost surely, 2^40156120019 is an apocalyptic number.

40156120019 is a deficient number, since it is larger than the sum of its proper divisors (4599927421).

40156120019 is a wasteful number, since it uses less digits than its factorization.

40156120019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124322389.

The product of its (nonzero) digits is 2160, while the sum is 29.

The spelling of 40156120019 in words is "forty billion, one hundred fifty-six million, one hundred twenty thousand, nineteen".