1025267804140 has 24 divisors (see below), whose sum is σ = 2153834489520. Its totient is φ = 409960054848.

The previous prime is 1025267804123. The next prime is 1025267804179. The reversal of 1025267804140 is 414087625201.

It is a super-2 number, since 2×1025267804140² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1025267804093 and 1025267804102.

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, 9134502 + ... + 9246061.

It is an arithmetic number, because the mean of its divisors is an integer number (89743103730).

Almost surely, 2^{1025267804140} is an apocalyptic number.

1025267804140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1025267804140 is an abundant number, since it is smaller than the sum of its proper divisors (1128566685380).

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

1025267804140 is a wasteful number, since it uses less digits than its factorization.

1025267804140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18383361 (or 18383359 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 1025267804140 in words is "one trillion, twenty-five billion, two hundred sixty-seven million, eight hundred four thousand, one hundred forty".