5501331440 has 80 divisors (see below), whose sum is σ = 14687809920. Its totient is φ = 1895189760.

The previous prime is 5501331439. The next prime is 5501331469. The reversal of 5501331440 is 441331055.

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

It is a super-2 number, since 2×5501331440² = 60529295225464947200, which contains 22 as substring.

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, 147794 + ... + 181233.

It is an arithmetic number, because the mean of its divisors is an integer number (183597624).

Almost surely, 2^5501331440 is an apocalyptic number.

It is an amenable number.

5501331440 is an abundant number, since it is smaller than the sum of its proper divisors (9186478480).

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

5501331440 is a wasteful number, since it uses less digits than its factorization.

5501331440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329070 (or 329064 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 5501331440 is about 74170.9608944093. The cubic root of 5501331440 is about 1765.3165939583.

Adding to 5501331440 its reverse (441331055), we get a palindrome (5942662495).

The spelling of 5501331440 in words is "five billion, five hundred one million, three hundred thirty-one thousand, four hundred forty".