1023644625048 has 24 divisors (see below), whose sum is σ = 2772370859700. Its totient is φ = 341214874992.

The previous prime is 1023644625007. The next prime is 1023644625071. The reversal of 1023644625048 is 8405264463201.

1023644625048 is a `hidden beast` number, since 1 + 0 + 23 + 64 + 4 + 62 + 504 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a junction number, because it is equal to n+sod(n) for n = 1023644624994 and 1023644625012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7108643158 + ... + 7108643301.

Almost surely, 2^{1023644625048} is an apocalyptic number.

1023644625048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1023644625048 is an abundant number, since it is smaller than the sum of its proper divisors (1748726234652).

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

1023644625048 is a wasteful number, since it uses less digits than its factorization.

1023644625048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14217286471 (or 14217286464 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 1023644625048 in words is "one trillion, twenty-three billion, six hundred forty-four million, six hundred twenty-five thousand, forty-eight".