2142043404 has 24 divisors (see below), whose sum is σ = 5002195968. Its totient is φ = 713429520.

The previous prime is 2142043403. The next prime is 2142043411. The reversal of 2142043404 is 4043402412.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2142043403) 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, 57732 + ... + 87275.

It is an arithmetic number, because the mean of its divisors is an integer number (208424832).

Almost surely, 2^2142043404 is an apocalyptic number.

It is an amenable number.

2142043404 is an abundant number, since it is smaller than the sum of its proper divisors (2860152564).

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

2142043404 is a wasteful number, since it uses less digits than its factorization.

2142043404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146245 (or 146243 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2142043404 is about 46282.2147698228. The cubic root of 2142043404 is about 1289.0687756797.

Adding to 2142043404 its reverse (4043402412), we get a palindrome (6185445816).

The spelling of 2142043404 in words is "two billion, one hundred forty-two million, forty-three thousand, four hundred four".