5551544040 has 128 divisors (see below), whose sum is σ = 19861493760. Its totient is φ = 1213749504.

The previous prime is 5551544029. The next prime is 5551544057. The reversal of 5551544040 is 404451555.

It is a junction number, because it is equal to n+sod(n) for n = 5551543992 and 5551544010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 124354 + ... + 162993.

It is an arithmetic number, because the mean of its divisors is an integer number (155167920).

Almost surely, 2^5551544040 is an apocalyptic number.

It is an amenable number.

5551544040 is an abundant number, since it is smaller than the sum of its proper divisors (14309949720).

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

5551544040 is a wasteful number, since it uses less digits than its factorization.

5551544040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287391 (or 287387 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The square root of 5551544040 is about 74508.6843260569. The cubic root of 5551544040 is about 1770.6712255217.

Adding to 5551544040 its reverse (404451555), we get a palindrome (5955995595).

The spelling of 5551544040 in words is "five billion, five hundred fifty-one million, five hundred forty-four thousand, forty".