676549670400 has 480 divisors, whose sum is σ = 2487192238080. Its totient is φ = 180128194560.

The previous prime is 676549670389. The next prime is 676549670483. The reversal of 676549670400 is 4076945676.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 306546097 + ... + 306548303.

It is an arithmetic number, because the mean of its divisors is an integer number (5181650496).

Almost surely, 2^676549670400 is an apocalyptic number.

676549670400 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676549670400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1243596119040).

676549670400 is an abundant number, since it is smaller than the sum of its proper divisors (1810642567680).

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

676549670400 is a wasteful number, since it uses less digits than its factorization.

676549670400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131 (or 3104 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 54.

The spelling of 676549670400 in words is "six hundred seventy-six billion, five hundred forty-nine million, six hundred seventy thousand, four hundred".