40219109121 has 8 divisors (see below), whose sum is σ = 54933417504. Its totient is φ = 26158770080.

The previous prime is 40219109093. The next prime is 40219109129. The reversal of 40219109121 is 12190191204.

It is a happy number.

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 40219109121 - 2⁵ = 40219109089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40219109129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163492191 + ... + 163492436.

It is an arithmetic number, because the mean of its divisors is an integer number (6866677188).

Almost surely, 2^40219109121 is an apocalyptic number.

40219109121 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40219109121 is a deficient number, since it is larger than the sum of its proper divisors (14714308383).

40219109121 is a wasteful number, since it uses less digits than its factorization.

40219109121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326984671.

The product of its (nonzero) digits is 1296, while the sum is 30.

The spelling of 40219109121 in words is "forty billion, two hundred nineteen million, one hundred nine thousand, one hundred twenty-one".