5445321540 has 48 divisors (see below), whose sum is σ = 15363311040. Its totient is φ = 1440999040.

The previous prime is 5445321517. The next prime is 5445321551. The reversal of 5445321540 is 451235445.

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, 338535 + ... + 354254.

It is an arithmetic number, because the mean of its divisors is an integer number (320068980).

Almost surely, 2^5445321540 is an apocalyptic number.

It is an amenable number.

5445321540 is an abundant number, since it is smaller than the sum of its proper divisors (9917989500).

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

5445321540 is a wasteful number, since it uses less digits than its factorization.

5445321540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692932 (or 692930 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The square root of 5445321540 is about 73792.4219686547. The cubic root of 5445321540 is about 1759.3051600312.

Adding to 5445321540 its reverse (451235445), we get a palindrome (5896556985).

The spelling of 5445321540 in words is "five billion, four hundred forty-five million, three hundred twenty-one thousand, five hundred forty".