5420445440 has 36 divisors (see below), whose sum is σ = 12983663784. Its totient is φ = 2168177664.

The previous prime is 5420445439. The next prime is 5420445451. The reversal of 5420445440 is 445440245.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 5420445397 and 5420445406.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2116082 + ... + 2118641.

Almost surely, 2^5420445440 is an apocalyptic number.

It is an amenable number.

5420445440 is an abundant number, since it is smaller than the sum of its proper divisors (7563218344).

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

5420445440 is an equidigital number, since it uses as much as digits as its factorization.

5420445440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4234744 (or 4234730 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 32.

The square root of 5420445440 is about 73623.6744532627. The cubic root of 5420445440 is about 1756.6220332152.

Adding to 5420445440 its reverse (445440245), we get a palindrome (5865885685).

The spelling of 5420445440 in words is "five billion, four hundred twenty million, four hundred forty-five thousand, four hundred forty".