40427219121 has 8 divisors (see below), whose sum is σ = 57073721184. Its totient is φ = 25366098240.

The previous prime is 40427219111. The next prime is 40427219123. The reversal of 40427219121 is 12191272404.

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

It is not a de Polignac number, because 40427219121 - 2¹⁷ = 40427088049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40427219123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396345235 + ... + 396345336.

It is an arithmetic number, because the mean of its divisors is an integer number (7134215148).

Almost surely, 2^40427219121 is an apocalyptic number.

It is an amenable number.

40427219121 is a deficient number, since it is larger than the sum of its proper divisors (16646502063).

40427219121 is a wasteful number, since it uses less digits than its factorization.

40427219121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792690591.

The product of its (nonzero) digits is 8064, while the sum is 33.

The spelling of 40427219121 in words is "forty billion, four hundred twenty-seven million, two hundred nineteen thousand, one hundred twenty-one".