555265840 has 20 divisors (see below), whose sum is σ = 1290993264. Its totient is φ = 222106304.

The previous prime is 555265819. The next prime is 555265847. The reversal of 555265840 is 48562555.

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

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 = 555265793 and 555265802.

It is not an unprimeable number, because it can be changed into a prime (555265847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3470332 + ... + 3470491.

Almost surely, 2^555265840 is an apocalyptic number.

It is an amenable number.

555265840 is an abundant number, since it is smaller than the sum of its proper divisors (735727424).

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

555265840 is a wasteful number, since it uses less digits than its factorization.

555265840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6940836 (or 6940830 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 40.

The square root of 555265840 is about 23564.0794430846. The cubic root of 555265840 is about 821.9277665958.

The spelling of 555265840 in words is "five hundred fifty-five million, two hundred sixty-five thousand, eight hundred forty".