5451214420 has 48 divisors (see below), whose sum is σ = 11598724368. Its totient is φ = 2151833600.

The previous prime is 5451214411. The next prime is 5451214421. The reversal of 5451214420 is 244121545.

It can be written as a sum of positive squares in 8 ways, for example, as 375506884 + 5075707536 = 19378^2 + 71244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451214421) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 636084 + ... + 644596.

It is an arithmetic number, because the mean of its divisors is an integer number (241640091).

Almost surely, 2^5451214420 is an apocalyptic number.

It is an amenable number.

5451214420 is an abundant number, since it is smaller than the sum of its proper divisors (6147509948).

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

5451214420 is a wasteful number, since it uses less digits than its factorization.

5451214420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8940 (or 8938 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 5451214420 is about 73832.3399331214. The cubic root of 5451214420 is about 1759.9395661928.

Adding to 5451214420 its reverse (244121545), we get a palindrome (5695335965).

The spelling of 5451214420 in words is "five billion, four hundred fifty-one million, two hundred fourteen thousand, four hundred twenty".