5550782440 has 64 divisors (see below), whose sum is σ = 14361125760. Its totient is φ = 1891434240.

The previous prime is 5550782429. The next prime is 5550782443. The reversal of 5550782440 is 442870555.

It is a super-2 number, since 2×5550782440² = 61622371392424707200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 5550782393 and 5550782402.

It is not an unprimeable number, because it can be changed into a prime (5550782443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15171 + ... + 106450.

It is an arithmetic number, because the mean of its divisors is an integer number (224392590).

Almost surely, 2^5550782440 is an apocalyptic number.

It is an amenable number.

5550782440 is an abundant number, since it is smaller than the sum of its proper divisors (8810343320).

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

5550782440 is a wasteful number, since it uses less digits than its factorization.

5550782440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121802 (or 121798 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The square root of 5550782440 is about 74503.5733371226. The cubic root of 5550782440 is about 1770.5902507593.

The spelling of 5550782440 in words is "five billion, five hundred fifty million, seven hundred eighty-two thousand, four hundred forty".