2051342144 has 56 divisors (see below), whose sum is σ = 4432706400. Its totient is φ = 938165760.

The previous prime is 2051342143. The next prime is 2051342159. The reversal of 2051342144 is 4412431502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051342141) 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, 6179 + ... + 64349.

Almost surely, 2^2051342144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2051342144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2216353200).

2051342144 is an abundant number, since it is smaller than the sum of its proper divisors (2381364256).

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

2051342144 is a wasteful number, since it uses less digits than its factorization.

2051342144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58231 (or 58221 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2051342144 is about 45291.7447665687. The cubic root of 2051342144 is about 1270.6112633955.

Adding to 2051342144 its reverse (4412431502), we get a palindrome (6463773646).

The spelling of 2051342144 in words is "two billion, fifty-one million, three hundred forty-two thousand, one hundred forty-four".