554480640 has 440 divisors, whose sum is σ = 2282683392. Its totient is φ = 126074880.

The previous prime is 554480639. The next prime is 554480671. The reversal of 554480640 is 46084455.

554480640 is a `hidden beast` number, since 5 + 5 + 4 + 4 + 8 + 0 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 554480595 and 554480604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2902945 + ... + 2903135.

Almost surely, 2^554480640 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 554480640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141341696).

554480640 is an abundant number, since it is smaller than the sum of its proper divisors (1728202752).

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

554480640 is a wasteful number, since it uses less digits than its factorization.

554480640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 554480640 is about 23547.4125967164. The cubic root of 554480640 is about 821.5401551828.

The spelling of 554480640 in words is "five hundred fifty-four million, four hundred eighty thousand, six hundred forty".