555676440 has 64 divisors (see below), whose sum is σ = 1818581760. Its totient is φ = 134709120.

The previous prime is 555676427. The next prime is 555676463. The reversal of 555676440 is 44676555.

It is a junction number, because it is equal to n+sod(n) for n = 555676392 and 555676401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209164 + ... + 211803.

It is an arithmetic number, because the mean of its divisors is an integer number (28415340).

Almost surely, 2^555676440 is an apocalyptic number.

It is an amenable number.

555676440 is an abundant number, since it is smaller than the sum of its proper divisors (1262905320).

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

555676440 is a wasteful number, since it uses less digits than its factorization.

555676440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420992 (or 420988 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The square root of 555676440 is about 23572.7902463836. The cubic root of 555676440 is about 822.1303124546.

The spelling of 555676440 in words is "five hundred fifty-five million, six hundred seventy-six thousand, four hundred forty".