554387040 has 144 divisors (see below), whose sum is σ = 1909147968. Its totient is φ = 146485248.

The previous prime is 554387033. The next prime is 554387063. The reversal of 554387040 is 40783455.

554387040 is a `hidden beast` number, since 5 + 543 + 8 + 70 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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 = 554386986 and 554387004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161017 + ... + 164423.

It is an arithmetic number, because the mean of its divisors is an integer number (13257972).

Almost surely, 2^554387040 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 554387040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (954573984).

554387040 is an abundant number, since it is smaller than the sum of its proper divisors (1354760928).

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

554387040 is a wasteful number, since it uses less digits than its factorization.

554387040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541 (or 3530 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 554387040 is about 23545.4250333265. The cubic root of 554387040 is about 821.4939254438.

The spelling of 554387040 in words is "five hundred fifty-four million, three hundred eighty-seven thousand, forty".