42004340120 has 32 divisors (see below), whose sum is σ = 94515616800. Its totient is φ = 16800695808.

The previous prime is 42004340113. The next prime is 42004340123. The reversal of 42004340120 is 2104340024.

It is a super-2 number, since 2×42004340120² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 42004340092 and 42004340101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42004340123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179536 + ... + 1214624.

It is an arithmetic number, because the mean of its divisors is an integer number (2953613025).

Almost surely, 2^42004340120 is an apocalyptic number.

42004340120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42004340120 is an abundant number, since it is smaller than the sum of its proper divisors (52511276680).

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

42004340120 is a wasteful number, since it uses less digits than its factorization.

42004340120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65027 (or 65023 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 42004340120 its reverse (2104340024), we get a palindrome (44108680144).

The spelling of 42004340120 in words is "forty-two billion, four million, three hundred forty thousand, one hundred twenty".