5042420100 has 189 divisors, whose sum is σ = 16468188373. Its totient is φ = 1339532640.

The previous prime is 5042420093. The next prime is 5042420107. The reversal of 5042420100 is 10242405.

The square root of 5042420100 is 71010.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (5042420093) and next prime (5042420107).

It can be written as a sum of positive squares in only one way, i.e., 1815271236 + 3227148864 = 42606^2 + 56808^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5042420107) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 19172569 + ... + 19172831.

Almost surely, 2^5042420100 is an apocalyptic number.

5042420100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5042420100 is the 71010-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5042420100

5042420100 is an abundant number, since it is smaller than the sum of its proper divisors (11425768273).

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

5042420100 is an equidigital number, since it uses as much as digits as its factorization.

5042420100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The cubic root of 5042420100 is about 1714.7981584091.

Adding to 5042420100 its reverse (10242405), we get a palindrome (5052662505).

The spelling of 5042420100 in words is "five billion, forty-two million, four hundred twenty thousand, one hundred".