18460420128042 has 64 divisors (see below), whose sum is σ = 37171162828800. Its totient is φ = 6111867375936.

The previous prime is 18460420128041. The next prime is 18460420128079. The reversal of 18460420128042 is 24082102406481.

It is a happy number.

It is a super-2 number, since 2×18460420128042² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 18460420127985 and 18460420128003.

It is not an unprimeable number, because it can be changed into a prime (18460420128041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2397764709 + ... + 2397772407.

It is an arithmetic number, because the mean of its divisors is an integer number (580799419200).

Almost surely, 2^{18460420128042} is an apocalyptic number.

18460420128042 is an abundant number, since it is smaller than the sum of its proper divisors (18710742700758).

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

18460420128042 is a wasteful number, since it uses less digits than its factorization.

18460420128042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075.

The product of its (nonzero) digits is 196608, while the sum is 42.

The spelling of 18460420128042 in words is "eighteen trillion, four hundred sixty billion, four hundred twenty million, one hundred twenty-eight thousand, forty-two".