5420665242 has 24 divisors (see below), whose sum is σ = 12062202516. Its totient is φ = 1758053376.

The previous prime is 5420665193. The next prime is 5420665247. The reversal of 5420665242 is 2425660245.

5420665242 is a `hidden beast` number, since 54 + 20 + 66 + 524 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5407984521 + 12680721 = 73539^2 + 3561^2 .

It is a super-2 number, since 2×5420665242² = 58767223331653837128, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5420665197 and 5420665206.

It is not an unprimeable number, because it can be changed into a prime (5420665247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4068903 + ... + 4070234.

Almost surely, 2^5420665242 is an apocalyptic number.

5420665242 is an abundant number, since it is smaller than the sum of its proper divisors (6641537274).

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

5420665242 is a wasteful number, since it uses less digits than its factorization.

5420665242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8139182 (or 8139179 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 5420665242 is about 73625.1671780784. The cubic root of 5420665242 is about 1756.6457768861.

The spelling of 5420665242 in words is "five billion, four hundred twenty million, six hundred sixty-five thousand, two hundred forty-two".