2042054140 has 96 divisors (see below), whose sum is σ = 5146283520. Its totient is φ = 665812224.

The previous prime is 2042054101. The next prime is 2042054141. The reversal of 2042054140 is 414502402.

It is a happy number.

It is a super-2 number, since 2×2042054140² = 8339970221382279200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2042054141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268267 + ... + 275773.

It is an arithmetic number, because the mean of its divisors is an integer number (53607120).

Almost surely, 2^2042054140 is an apocalyptic number.

2042054140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2042054140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2573141760).

2042054140 is an abundant number, since it is smaller than the sum of its proper divisors (3104229380).

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

2042054140 is a wasteful number, since it uses less digits than its factorization.

2042054140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7619 (or 7617 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 2042054140 is about 45189.0931531050. The cubic root of 2042054140 is about 1268.6906835980.

Adding to 2042054140 its reverse (414502402), we get a palindrome (2456556542).

The spelling of 2042054140 in words is "two billion, forty-two million, fifty-four thousand, one hundred forty".