5421642336 has 480 divisors, whose sum is σ = 18441561600. Its totient is φ = 1547320320.

The previous prime is 5421642313. The next prime is 5421642341. The reversal of 5421642336 is 6332461245.

5421642336 is a `hidden beast` number, since 5 + 4 + 2 + 1 + 642 + 3 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5421642336.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 65320951 + ... + 65321033.

It is an arithmetic number, because the mean of its divisors is an integer number (38419920).

Almost surely, 2^5421642336 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5421642336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9220780800).

5421642336 is an abundant number, since it is smaller than the sum of its proper divisors (13019919264).

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

5421642336 is a wasteful number, since it uses less digits than its factorization.

5421642336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224 (or 207 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 5421642336 is about 73631.8024769189. The cubic root of 5421642336 is about 1756.7513177408.

The spelling of 5421642336 in words is "five billion, four hundred twenty-one million, six hundred forty-two thousand, three hundred thirty-six".