676402490544 has 160 divisors (see below), whose sum is σ = 1966860112896. Its totient is φ = 198540533760.

The previous prime is 676402490537. The next prime is 676402490557. The reversal of 676402490544 is 445094204676.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2266654 + ... + 2547650.

Almost surely, 2^676402490544 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 676402490544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (983430056448).

676402490544 is an abundant number, since it is smaller than the sum of its proper divisors (1290457622352).

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

676402490544 is a wasteful number, since it uses less digits than its factorization.

676402490544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281163 (or 281157 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 676402490544 in words is "six hundred seventy-six billion, four hundred two million, four hundred ninety thousand, five hundred forty-four".