555012040 has 128 divisors (see below), whose sum is σ = 1445558400. Its totient is φ = 189665280.

The previous prime is 555012019. The next prime is 555012053. The reversal of 555012040 is 40210555.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 31 ways as a sum of consecutive naturals, for example, 1646752 + ... + 1647088.

It is an arithmetic number, because the mean of its divisors is an integer number (11293425).

Almost surely, 2^555012040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555012040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722779200).

555012040 is an abundant number, since it is smaller than the sum of its proper divisors (890546360).

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

555012040 is a wasteful number, since it uses less digits than its factorization.

555012040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575 (or 571 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 555012040 is about 23558.6935121623. The cubic root of 555012040 is about 821.8025190458.

Adding to 555012040 its reverse (40210555), we get a palindrome (595222595).

The spelling of 555012040 in words is "five hundred fifty-five million, twelve thousand, forty".