42400144120 has 16 divisors (see below), whose sum is σ = 95400324360. Its totient is φ = 16960057632.

The previous prime is 42400144081. The next prime is 42400144133. The reversal of 42400144120 is 2144100424.

It is a junction number, because it is equal to n+sod(n) for n = 42400144091 and 42400144100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530001762 + ... + 530001841.

Almost surely, 2^42400144120 is an apocalyptic number.

42400144120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42400144120 is an abundant number, since it is smaller than the sum of its proper divisors (53000180240).

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

42400144120 is a wasteful number, since it uses less digits than its factorization.

42400144120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060003614 (or 1060003610 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 42400144120 its reverse (2144100424), we get a palindrome (44544244544).

The spelling of 42400144120 in words is "forty-two billion, four hundred million, one hundred forty-four thousand, one hundred twenty".