555541040 has 20 divisors (see below), whose sum is σ = 1291633104. Its totient is φ = 222216384.

The previous prime is 555541027. The next prime is 555541073. The reversal of 555541040 is 40145555.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 555540994 and 555541012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3472052 + ... + 3472211.

Almost surely, 2^555541040 is an apocalyptic number.

It is an amenable number.

555541040 is an abundant number, since it is smaller than the sum of its proper divisors (736092064).

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

555541040 is a wasteful number, since it uses less digits than its factorization.

555541040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6944276 (or 6944270 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 555541040 is about 23569.9181161072. The cubic root of 555541040 is about 822.0635316935.

Adding to 555541040 its reverse (40145555), we get a palindrome (595686595).

The spelling of 555541040 in words is "five hundred fifty-five million, five hundred forty-one thousand, forty".