5454403440 has 80 divisors (see below), whose sum is σ = 16962226848. Its totient is φ = 1449899008.

The previous prime is 5454403429. The next prime is 5454403457. The reversal of 5454403440 is 443044545.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

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, 40234 + ... + 111926.

Almost surely, 2^5454403440 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 5454403440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8481113424).

5454403440 is an abundant number, since it is smaller than the sum of its proper divisors (11507823408).

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

5454403440 is a wasteful number, since it uses less digits than its factorization.

5454403440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72026 (or 72020 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 5454403440 is about 73853.9331383238. The cubic root of 5454403440 is about 1760.2826939159.

Adding to 5454403440 its reverse (443044545), we get a palindrome (5897447985).

The spelling of 5454403440 in words is "five billion, four hundred fifty-four million, four hundred three thousand, four hundred forty".