5420388240 has 160 divisors (see below), whose sum is σ = 18721123200. Its totient is φ = 1441497600.

The previous prime is 5420388187. The next prime is 5420388283. The reversal of 5420388240 is 428830245.

5420388240 is a `hidden beast` number, since 542 + 0 + 38 + 82 + 4 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 5420388195 and 5420388204.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837015 + ... + 843465.

It is an arithmetic number, because the mean of its divisors is an integer number (117007020).

Almost surely, 2^5420388240 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 5420388240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9360561600).

5420388240 is an abundant number, since it is smaller than the sum of its proper divisors (13300734960).

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

5420388240 is a wasteful number, since it uses less digits than its factorization.

5420388240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862 (or 6850 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 36.

The square root of 5420388240 is about 73623.2859902355. The cubic root of 5420388240 is about 1756.6158541945.

The spelling of 5420388240 in words is "five billion, four hundred twenty million, three hundred eighty-eight thousand, two hundred forty".