2051042450 has 12 divisors (see below), whose sum is σ = 3814939050. Its totient is φ = 820416960.

The previous prime is 2051042449. The next prime is 2051042551. The reversal of 2051042450 is 542401502.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1529513881 + 521528569 = 39109^2 + 22837^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20510375 + ... + 20510474.

Almost surely, 2^2051042450 is an apocalyptic number.

2051042450 is a deficient number, since it is larger than the sum of its proper divisors (1763896600).

2051042450 is a wasteful number, since it uses less digits than its factorization.

2051042450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41020861 (or 41020856 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2051042450 is about 45288.4361620050. The cubic root of 2051042450 is about 1270.5493830767.

Adding to 2051042450 its reverse (542401502), we get a palindrome (2593443952).

The spelling of 2051042450 in words is "two billion, fifty-one million, forty-two thousand, four hundred fifty".