5403403440 has 60 divisors (see below), whose sum is σ = 18146432304. Its totient is φ = 1440907392.

The previous prime is 5403403433. The next prime is 5403403441. The reversal of 5403403440 is 443043045.

It is a tau number, because it is divible by the number of its divisors (60).

It is not an unprimeable number, because it can be changed into a prime (5403403441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3751644 + ... + 3753083.

Almost surely, 2^5403403440 is an apocalyptic number.

It is an amenable number.

5403403440 is an abundant number, since it is smaller than the sum of its proper divisors (12743028864).

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

5403403440 is a wasteful number, since it uses less digits than its factorization.

5403403440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7504746 (or 7504737 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

The square root of 5403403440 is about 73507.8461118267. The cubic root of 5403403440 is about 1754.7791477024.

Adding to 5403403440 its reverse (443043045), we get a palindrome (5846446485).

The spelling of 5403403440 in words is "five billion, four hundred three million, four hundred three thousand, four hundred forty".