1025005042140 has 48 divisors (see below), whose sum is σ = 2870364100128. Its totient is φ = 273301346304.

The previous prime is 1025005042133. The next prime is 1025005042163. The reversal of 1025005042140 is 412405005201.

It is a self number, because there is not a number n which added to its sum of digits gives 1025005042140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 543517 + ... + 1531476.

It is an arithmetic number, because the mean of its divisors is an integer number (59799252086).

Almost surely, 2^{1025005042140} is an apocalyptic number.

1025005042140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025005042140 is an abundant number, since it is smaller than the sum of its proper divisors (1845359057988).

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

1025005042140 is a wasteful number, since it uses less digits than its factorization.

1025005042140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083238 (or 2083236 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The spelling of 1025005042140 in words is "one trillion, twenty-five billion, five million, forty-two thousand, one hundred forty".