5555432240 has 20 divisors (see below), whose sum is σ = 12916380144. Its totient is φ = 2222172864.

The previous prime is 5555432231. The next prime is 5555432263. The reversal of 5555432240 is 422345555.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 5555432240.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34721372 + ... + 34721531.

Almost surely, 2^5555432240 is an apocalyptic number.

It is an amenable number.

5555432240 is an abundant number, since it is smaller than the sum of its proper divisors (7360947904).

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

5555432240 is a wasteful number, since it uses less digits than its factorization.

5555432240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69442916 (or 69442910 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

The square root of 5555432240 is about 74534.7720195078. The cubic root of 5555432240 is about 1771.0845109742.

Adding to 5555432240 its reverse (422345555), we get a palindrome (5977777795).

The spelling of 5555432240 in words is "five billion, five hundred fifty-five million, four hundred thirty-two thousand, two hundred forty".