5420440544 has 48 divisors (see below), whose sum is σ = 11175524640. Its totient is φ = 2583060480.

The previous prime is 5420440523. The next prime is 5420440577. The reversal of 5420440544 is 4450440245.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5420440544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193712 + ... + 219920.

It is an arithmetic number, because the mean of its divisors is an integer number (232823430).

Almost surely, 2^5420440544 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 5420440544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5587762320).

5420440544 is an abundant number, since it is smaller than the sum of its proper divisors (5755084096).

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

5420440544 is a wasteful number, since it uses less digits than its factorization.

5420440544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26523 (or 26515 counting only the distinct ones).

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

The square root of 5420440544 is about 73623.6412030810. The cubic root of 5420440544 is about 1756.6215043273.

Adding to 5420440544 its reverse (4450440245), we get a palindrome (9870880789).

The spelling of 5420440544 in words is "five billion, four hundred twenty million, four hundred forty thousand, five hundred forty-four".