5424421640 has 64 divisors (see below), whose sum is σ = 13327752960. Its totient is φ = 1970552320.

The previous prime is 5424421631. The next prime is 5424421657. The reversal of 5424421640 is 461244245.

It is a junction number, because it is equal to n+sod(n) for n = 5424421597 and 5424421606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479732 + ... + 490908.

It is an arithmetic number, because the mean of its divisors is an integer number (208246140).

Almost surely, 2^5424421640 is an apocalyptic number.

It is an amenable number.

5424421640 is an abundant number, since it is smaller than the sum of its proper divisors (7903331320).

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

5424421640 is a wasteful number, since it uses less digits than its factorization.

5424421640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12302 (or 12298 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The square root of 5424421640 is about 73650.6730451257. The cubic root of 5424421640 is about 1757.0514550783.

Adding to 5424421640 its reverse (461244245), we get a palindrome (5885665885).

The spelling of 5424421640 in words is "five billion, four hundred twenty-four million, four hundred twenty-one thousand, six hundred forty".