2130450042 has 32 divisors (see below), whose sum is σ = 4877760384. Its totient is φ = 607680000.

The previous prime is 2130450041. The next prime is 2130450053. The reversal of 2130450042 is 2400540312.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (2130450041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16959 + ... + 67442.

It is an arithmetic number, because the mean of its divisors is an integer number (152430012).

Almost surely, 2^2130450042 is an apocalyptic number.

2130450042 is an abundant number, since it is smaller than the sum of its proper divisors (2747310342).

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

2130450042 is a wasteful number, since it uses less digits than its factorization.

2130450042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85014.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 2130450042 is about 46156.7984375000. The cubic root of 2130450042 is about 1286.7389623380.

Adding to 2130450042 its reverse (2400540312), we get a palindrome (4530990354).

The spelling of 2130450042 in words is "two billion, one hundred thirty million, four hundred fifty thousand, forty-two".