554361840 has 320 divisors, whose sum is σ = 2091294720. Its totient is φ = 134369280.

The previous prime is 554361827. The next prime is 554361853. The reversal of 554361840 is 48163455.

It is a happy number.

554361840 is a `hidden beast` number, since 554 + 3 + 61 + 8 + 40 = 666.

It is an interprime number because it is at equal distance from previous prime (554361827) and next prime (554361853).

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 = 554361795 and 554361804.

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 63 ways as a sum of consecutive naturals, for example, 1138077 + ... + 1138563.

It is an arithmetic number, because the mean of its divisors is an integer number (6535296).

Almost surely, 2^554361840 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 554361840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1045647360).

554361840 is an abundant number, since it is smaller than the sum of its proper divisors (1536932880).

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

554361840 is a wasteful number, since it uses less digits than its factorization.

554361840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 554361840 is about 23544.8898914393. The cubic root of 554361840 is about 821.4814780866.

The spelling of 554361840 in words is "five hundred fifty-four million, three hundred sixty-one thousand, eight hundred forty".