676449140 has 24 divisors (see below), whose sum is σ = 1466368512. Its totient is φ = 261851040.

The previous prime is 676449139. The next prime is 676449149. The reversal of 676449140 is 41944676.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676449149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544904 + ... + 546143.

It is an arithmetic number, because the mean of its divisors is an integer number (61098688).

Almost surely, 2^676449140 is an apocalyptic number.

It is an amenable number.

676449140 is an abundant number, since it is smaller than the sum of its proper divisors (789919372).

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

676449140 is a wasteful number, since it uses less digits than its factorization.

676449140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091087 (or 1091085 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 676449140 is about 26008.6358734940. The cubic root of 676449140 is about 877.8326225531.

The spelling of 676449140 in words is "six hundred seventy-six million, four hundred forty-nine thousand, one hundred forty".