5420421200 has 60 divisors (see below), whose sum is σ = 13084483968. Its totient is φ = 2157859200.

The previous prime is 5420421197. The next prime is 5420421221. The reversal of 5420421200 is 21240245.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52289 + ... + 116511.

Almost surely, 2^5420421200 is an apocalyptic number.

5420421200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5420421200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6542241984).

5420421200 is an abundant number, since it is smaller than the sum of its proper divisors (7664062768).

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

5420421200 is a wasteful number, since it uses less digits than its factorization.

5420421200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64452 (or 64441 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 5420421200 is about 73623.5098321182. The cubic root of 5420421200 is about 1756.6194146984.

Adding to 5420421200 its reverse (21240245), we get a palindrome (5441661445).

The spelling of 5420421200 in words is "five billion, four hundred twenty million, four hundred twenty-one thousand, two hundred".