554233055440 has 40 divisors (see below), whose sum is σ = 1296040394088. Its totient is φ = 220411752960.

The previous prime is 554233055419. The next prime is 554233055449. The reversal of 554233055440 is 44550332455.

It can be written as a sum of positive squares in 4 ways, for example, as 25756398144 + 528476657296 = 160488^2 + 726964^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×554233055440² (a number of 24 digits) contains 22 as substring.

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 = 554233055393 and 554233055402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (554233055449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20009031 + ... + 20036710.

Almost surely, 2^554233055440 is an apocalyptic number.

It is an amenable number.

554233055440 is an abundant number, since it is smaller than the sum of its proper divisors (741807338648).

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

554233055440 is a wasteful number, since it uses less digits than its factorization.

554233055440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40045927 (or 40045921 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 40.

Adding to 554233055440 its reverse (44550332455), we get a palindrome (598783387895).

The spelling of 554233055440 in words is "five hundred fifty-four billion, two hundred thirty-three million, fifty-five thousand, four hundred forty".