555440143400 has 24 divisors (see below), whose sum is σ = 1291398333870. Its totient is φ = 222176057280.

The previous prime is 555440143399. The next prime is 555440143463. The reversal of 555440143400 is 4341044555.

It can be written as a sum of positive squares in 3 ways, for example, as 538148419396 + 17291724004 = 733586^2 + 131498^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1388600159 + ... + 1388600558.

Almost surely, 2^555440143400 is an apocalyptic number.

555440143400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

555440143400 is an abundant number, since it is smaller than the sum of its proper divisors (735958190470).

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

555440143400 is a wasteful number, since it uses less digits than its factorization.

555440143400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2777200733 (or 2777200724 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 555440143400 its reverse (4341044555), we get a palindrome (559781187955).

The spelling of 555440143400 in words is "five hundred fifty-five billion, four hundred forty million, one hundred forty-three thousand, four hundred".