42002430140 has 48 divisors (see below), whose sum is σ = 99541824480. Its totient is φ = 14746932480.

The previous prime is 42002430137. The next prime is 42002430157. The reversal of 42002430140 is 4103420024.

42002430140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3285347 + ... + 3298106.

It is an arithmetic number, because the mean of its divisors is an integer number (2073788010).

Almost surely, 2^42002430140 is an apocalyptic number.

It is an amenable number.

42002430140 is an abundant number, since it is smaller than the sum of its proper divisors (57539394340).

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

42002430140 is a wasteful number, since it uses less digits than its factorization.

42002430140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6583502 (or 6583500 counting only the distinct ones).

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

Adding to 42002430140 its reverse (4103420024), we get a palindrome (46105850164).

The spelling of 42002430140 in words is "forty-two billion, two million, four hundred thirty thousand, one hundred forty".