554281940 has 48 divisors (see below), whose sum is σ = 1244741904. Its totient is φ = 206592000.

The previous prime is 554281939. The next prime is 554281961. The reversal of 554281940 is 49182455.

It can be written as a sum of positive squares in 8 ways, for example, as 56010256 + 498271684 = 7484^2 + 22322^2 .

It is a junction number, because it is equal to n+sod(n) for n = 554281894 and 554281903.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 26270 + ... + 42410.

It is an arithmetic number, because the mean of its divisors is an integer number (25932123).

Almost surely, 2^554281940 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 554281940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (622370952).

554281940 is an abundant number, since it is smaller than the sum of its proper divisors (690459964).

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

554281940 is a wasteful number, since it uses less digits than its factorization.

554281940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16268 (or 16266 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The square root of 554281940 is about 23543.1930714591. The cubic root of 554281940 is about 821.4420095668.

The spelling of 554281940 in words is "five hundred fifty-four million, two hundred eighty-one thousand, nine hundred forty".