5435440000 has 80 divisors (see below), whose sum is σ = 13531387320. Its totient is φ = 2174144000.

The previous prime is 5435439949. The next prime is 5435440019. The reversal of 5435440000 is 445345.

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

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 46029 + ... + 113971.

Almost surely, 2^5435440000 is an apocalyptic number.

5435440000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5435440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6765693660).

5435440000 is an abundant number, since it is smaller than the sum of its proper divisors (8095947320).

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

5435440000 is an frugal number, since it uses more digits than its factorization.

5435440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67977 (or 67950 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 5435440000 is about 73725.4365873814. The cubic root of 5435440000 is about 1758.2403211183.

Adding to 5435440000 its reverse (445345), we get a palindrome (5435885345).

The spelling of 5435440000 in words is "five billion, four hundred thirty-five million, four hundred forty thousand".