1072628865896 has 32 divisors (see below), whose sum is σ = 2354551174080. Its totient is φ = 448485936000.

The previous prime is 1072628865821. The next prime is 1072628865923. The reversal of 1072628865896 is 6985688262701.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233584130 + ... + 233588721.

It is an arithmetic number, because the mean of its divisors is an integer number (73579724190).

Almost surely, 2^{1072628865896} is an apocalyptic number.

It is an amenable number.

1072628865896 is an abundant number, since it is smaller than the sum of its proper divisors (1281922308184).

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

1072628865896 is a wasteful number, since it uses less digits than its factorization.

1072628865896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467172905 (or 467172901 counting only the distinct ones).

The product of its (nonzero) digits is 139345920, while the sum is 68.

The spelling of 1072628865896 in words is "one trillion, seventy-two billion, six hundred twenty-eight million, eight hundred sixty-five thousand, eight hundred ninety-six".