2551340434 has 8 divisors (see below), whose sum is σ = 3831097788. Its totient is φ = 1274307840.

The previous prime is 2551340431. The next prime is 2551340443. The reversal of 2551340434 is 4340431552.

It can be written as a sum of positive squares in 2 ways, for example, as 2243443225 + 307897209 = 47365^2 + 17547^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2551340396 and 2551340405.

It is not an unprimeable number, because it can be changed into a prime (2551340431) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 678847 + ... + 682594.

Almost surely, 2^2551340434 is an apocalyptic number.

2551340434 is a deficient number, since it is larger than the sum of its proper divisors (1279757354).

2551340434 is a wasteful number, since it uses less digits than its factorization.

2551340434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362380.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2551340434 is about 50510.7952224077. The cubic root of 2551340434 is about 1366.4365513677.

Adding to 2551340434 its reverse (4340431552), we get a palindrome (6891771986).

The spelling of 2551340434 in words is "two billion, five hundred fifty-one million, three hundred forty thousand, four hundred thirty-four".