1948706401856 has 28 divisors (see below), whose sum is σ = 3902441016540. Its totient is φ = 965414177280.

The previous prime is 1948706401849. The next prime is 1948706401921. The reversal of 1948706401856 is 6581046078491.

It can be written as a sum of positive squares in 2 ways, for example, as 1330885249600 + 617821152256 = 1153640^2 + 786016^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1948706401795 and 1948706401804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139665215 + ... + 139679166.

Almost surely, 2^{1948706401856} is an apocalyptic number.

1948706401856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1948706401856 is an abundant number, since it is smaller than the sum of its proper divisors (1953734614684).

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

1948706401856 is a wasteful number, since it uses less digits than its factorization.

1948706401856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279344502 (or 279344492 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 1948706401856 in words is "one trillion, nine hundred forty-eight billion, seven hundred six million, four hundred one thousand, eight hundred fifty-six".