676843440 has 320 divisors, whose sum is σ = 2735824896. Its totient is φ = 134332416.

The previous prime is 676843397. The next prime is 676843451. The reversal of 676843440 is 44348676.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 676843392 and 676843401.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 370369 + ... + 372191.

Almost surely, 2^676843440 is an apocalyptic number.

676843440 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 676843440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1367912448).

676843440 is an abundant number, since it is smaller than the sum of its proper divisors (2058981456).

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

676843440 is a wasteful number, since it uses less digits than its factorization.

676843440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1870 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 676843440 is about 26016.2149437615. The cubic root of 676843440 is about 878.0031513491.

The spelling of 676843440 in words is "six hundred seventy-six million, eight hundred forty-three thousand, four hundred forty".