554332640 has 24 divisors (see below), whose sum is σ = 1309611240. Its totient is φ = 221732992.

The previous prime is 554332633. The next prime is 554332661. The reversal of 554332640 is 46233455.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 554332597 and 554332606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1732130 + ... + 1732449.

It is an arithmetic number, because the mean of its divisors is an integer number (54567135).

Almost surely, 2^554332640 is an apocalyptic number.

It is an amenable number.

554332640 is an abundant number, since it is smaller than the sum of its proper divisors (755278600).

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

554332640 is a wasteful number, since it uses less digits than its factorization.

554332640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3464594 (or 3464586 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The square root of 554332640 is about 23544.2697911827. The cubic root of 554332640 is about 821.4670544866.

It can be divided in two parts, 5543 and 32640, that added together give a palindrome (38183).

The spelling of 554332640 in words is "five hundred fifty-four million, three hundred thirty-two thousand, six hundred forty".