5517221040 has 100 divisors (see below), whose sum is σ = 19162148544. Its totient is φ = 1471257216.

The previous prime is 5517221033. The next prime is 5517221041. The reversal of 5517221040 is 401227155.

5517221040 is a `hidden beast` number, since 551 + 7 + 2 + 2 + 104 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 5517220995 and 5517221013.

It is not an unprimeable number, because it can be changed into a prime (5517221041) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 419232 + ... + 432191.

Almost surely, 2^5517221040 is an apocalyptic number.

It is an amenable number.

5517221040 is an abundant number, since it is smaller than the sum of its proper divisors (13644927504).

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

5517221040 is a wasteful number, since it uses less digits than its factorization.

5517221040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851448 (or 851433 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 5517221040 is about 74277.9983575217. The cubic root of 5517221040 is about 1767.0145593907.

Adding to 5517221040 its reverse (401227155), we get a palindrome (5918448195).

The spelling of 5517221040 in words is "five billion, five hundred seventeen million, two hundred twenty-one thousand, forty".