5421420242 has 16 divisors (see below), whose sum is σ = 9520543872. Its totient is φ = 2266795680.

The previous prime is 5421420239. The next prime is 5421420247. The reversal of 5421420242 is 2420241245.

It is not an unprimeable number, because it can be changed into a prime (5421420247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4721918 + ... + 4723065.

It is an arithmetic number, because the mean of its divisors is an integer number (595033992).

Almost surely, 2^5421420242 is an apocalyptic number.

5421420242 is a deficient number, since it is larger than the sum of its proper divisors (4099123630).

5421420242 is a wasteful number, since it uses less digits than its factorization.

5421420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9445033.

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 5421420242 is about 73630.2943223779. The cubic root of 5421420242 is about 1756.7273293605.

Adding to 5421420242 its reverse (2420241245), we get a palindrome (7841661487).

The spelling of 5421420242 in words is "five billion, four hundred twenty-one million, four hundred twenty thousand, two hundred forty-two".