2051403426 has 48 divisors (see below), whose sum is σ = 4515870528. Its totient is φ = 672890400.

The previous prime is 2051403397. The next prime is 2051403443. The reversal of 2051403426 is 6243041502.

It is a self number, because there is not a number n which added to its sum of digits gives 2051403426.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 864021 + ... + 866391.

It is an arithmetic number, because the mean of its divisors is an integer number (94080636).

Almost surely, 2^2051403426 is an apocalyptic number.

2051403426 is an abundant number, since it is smaller than the sum of its proper divisors (2464467102).

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

2051403426 is a wasteful number, since it uses less digits than its factorization.

2051403426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3127 (or 3124 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 2051403426 is about 45292.4212865685. The cubic root of 2051403426 is about 1270.6239160588.

Adding to 2051403426 its reverse (6243041502), we get a palindrome (8294444928).

The spelling of 2051403426 in words is "two billion, fifty-one million, four hundred three thousand, four hundred twenty-six".