5551241440 has 48 divisors (see below), whose sum is σ = 13393864512. Its totient is φ = 2173249024.

The previous prime is 5551241431. The next prime is 5551241447. The reversal of 5551241440 is 441421555.

It is a happy number.

It is a super-3 number, since 3×5551241440³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5551241447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 361579 + ... + 376618.

It is an arithmetic number, because the mean of its divisors is an integer number (279038844).

Almost surely, 2^5551241440 is an apocalyptic number.

It is an amenable number.

5551241440 is an abundant number, since it is smaller than the sum of its proper divisors (7842623072).

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

5551241440 is a wasteful number, since it uses less digits than its factorization.

5551241440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738259 (or 738251 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 5551241440 is about 74506.6536626092. The cubic root of 5551241440 is about 1770.6390534002.

Adding to 5551241440 its reverse (441421555), we get a palindrome (5992662995).

The spelling of 5551241440 in words is "five billion, five hundred fifty-one million, two hundred forty-one thousand, four hundred forty".