42092055140 has 24 divisors (see below), whose sum is σ = 88403547960. Its totient is φ = 16834873088.

The previous prime is 42092055139. The next prime is 42092055149. The reversal of 42092055140 is 4155029024.

It can be written as a sum of positive squares in 4 ways, for example, as 80174116 + 42011881024 = 8954^2 + 204968^2 .

It is a super-2 number, since 2×42092055140² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42092055097 and 42092055106.

It is not an unprimeable number, because it can be changed into a prime (42092055149) 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, 62054 + ... + 296706.

It is an arithmetic number, because the mean of its divisors is an integer number (3683481165).

Almost surely, 2^42092055140 is an apocalyptic number.

It is an amenable number.

42092055140 is an abundant number, since it is smaller than the sum of its proper divisors (46311492820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42092055140 is a wasteful number, since it uses less digits than its factorization.

42092055140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243631 (or 243629 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 42092055140 in words is "forty-two billion, ninety-two million, fifty-five thousand, one hundred forty".