5045440251 has 16 divisors (see below), whose sum is σ = 7125148800. Its totient is φ = 3164800128.

The previous prime is 5045440249. The next prime is 5045440259. The reversal of 5045440251 is 1520445405.

It is not a de Polignac number, because 5045440251 - 2¹ = 5045440249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5045440259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177460 + ... + 203918.

It is an arithmetic number, because the mean of its divisors is an integer number (445321800).

Almost surely, 2^5045440251 is an apocalyptic number.

5045440251 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

5045440251 is a deficient number, since it is larger than the sum of its proper divisors (2079708549).

5045440251 is a wasteful number, since it uses less digits than its factorization.

5045440251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30218.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 5045440251 is about 71031.2624905400. The cubic root of 5045440251 is about 1715.1404487935.

Adding to 5045440251 its reverse (1520445405), we get a palindrome (6565885656).

The spelling of 5045440251 in words is "five billion, forty-five million, four hundred forty thousand, two hundred fifty-one".