5140454420 has 12 divisors (see below), whose sum is σ = 10794954324. Its totient is φ = 2056181760.

The previous prime is 5140454419. The next prime is 5140454443. The reversal of 5140454420 is 244540415.

It can be written as a sum of positive squares in 2 ways, for example, as 2085018244 + 3055436176 = 45662^2 + 55276^2 .

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 128511341 + ... + 128511380.

It is an arithmetic number, because the mean of its divisors is an integer number (899579527).

Almost surely, 2^5140454420 is an apocalyptic number.

It is an amenable number.

5140454420 is an abundant number, since it is smaller than the sum of its proper divisors (5654499904).

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

5140454420 is a wasteful number, since it uses less digits than its factorization.

5140454420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257022730 (or 257022728 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 5140454420 is about 71696.9624182224. The cubic root of 5140454420 is about 1725.8398956896.

Adding to 5140454420 its reverse (244540415), we get a palindrome (5384994835).

The spelling of 5140454420 in words is "five billion, one hundred forty million, four hundred fifty-four thousand, four hundred twenty".