554305440 has 192 divisors, whose sum is σ = 1893773952. Its totient is φ = 135475200.

The previous prime is 554305421. The next prime is 554305463. The reversal of 554305440 is 44503455.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 554305398 and 554305407.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1316430 + ... + 1316850.

It is an arithmetic number, because the mean of its divisors is an integer number (9863406).

Almost surely, 2^554305440 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 554305440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (946886976).

554305440 is an abundant number, since it is smaller than the sum of its proper divisors (1339468512).

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

554305440 is a wasteful number, since it uses less digits than its factorization.

554305440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663 (or 655 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 554305440 is about 23543.6921488538. The cubic root of 554305440 is about 821.4536183487.

Adding to 554305440 its reverse (44503455), we get a palindrome (598808895).

The spelling of 554305440 in words is "five hundred fifty-four million, three hundred five thousand, four hundred forty".