1945080512688 has 40 divisors (see below), whose sum is σ = 5024848478400. Its totient is φ = 648352796224.

The previous prime is 1945080512663. The next prime is 1945080512717. The reversal of 1945080512688 is 8862150805491.

It is a super-2 number, since 2×1945080512688² (a number of 25 digits) contains 22 as substring.

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, 5505103 + ... + 5847761.

It is an arithmetic number, because the mean of its divisors is an integer number (125621211960).

Almost surely, 2^{1945080512688} is an apocalyptic number.

It is an amenable number.

1945080512688 is an abundant number, since it is smaller than the sum of its proper divisors (3079767965712).

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

1945080512688 is a wasteful number, since it uses less digits than its factorization.

1945080512688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460929 (or 460923 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 57.

The spelling of 1945080512688 in words is "one trillion, nine hundred forty-five billion, eighty million, five hundred twelve thousand, six hundred eighty-eight".