6555907404 has 216 divisors, whose sum is σ = 18503450784. Its totient is φ = 1949875200.

The previous prime is 6555907381. The next prime is 6555907427. The reversal of 6555907404 is 4047095556.

6555907404 is a `hidden beast` number, since 6 + 55 + 590 + 7 + 4 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (6555907381) and next prime (6555907427).

It is a self number, because there is not a number n which added to its sum of digits gives 6555907404.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 41757294 + ... + 41757450.

It is an arithmetic number, because the mean of its divisors is an integer number (85664124).

Almost surely, 2^6555907404 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 6555907404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9251725392).

6555907404 is an abundant number, since it is smaller than the sum of its proper divisors (11947543380).

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

6555907404 is a wasteful number, since it uses less digits than its factorization.

6555907404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 45.

The square root of 6555907404 is about 80968.5581198035. The cubic root of 6555907404 is about 1871.5909520188.

The spelling of 6555907404 in words is "six billion, five hundred fifty-five million, nine hundred seven thousand, four hundred four".