1076257680 has 160 divisors (see below), whose sum is σ = 3417531264. Its totient is φ = 280117248.

The previous prime is 1076257643. The next prime is 1076257703. The reversal of 1076257680 is 867526701.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1931962 + ... + 1932518.

Almost surely, 2^1076257680 is an apocalyptic number.

1076257680 is a gapful number since it is divisible by the number (10) 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 1076257680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1708765632).

1076257680 is an abundant number, since it is smaller than the sum of its proper divisors (2341273584).

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

1076257680 is a wasteful number, since it uses less digits than its factorization.

1076257680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 753 (or 747 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 1076257680 is about 32806.3664553086. The cubic root of 1076257680 is about 1024.7991452562.

The spelling of 1076257680 in words is "one billion, seventy-six million, two hundred fifty-seven thousand, six hundred eighty".