1274825230440 has 128 divisors (see below), whose sum is σ = 4030637760000. Its totient is φ = 321671202048.

The previous prime is 1274825230403. The next prime is 1274825230493. The reversal of 1274825230440 is 440325284721.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1274825230392 and 1274825230401.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1547511 + ... + 2223609.

It is an arithmetic number, because the mean of its divisors is an integer number (31489357500).

Almost surely, 2^{1274825230440} is an apocalyptic number.

1274825230440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1274825230440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2015318880000).

1274825230440 is an abundant number, since it is smaller than the sum of its proper divisors (2755812529560).

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

1274825230440 is a wasteful number, since it uses less digits than its factorization.

1274825230440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676959 (or 676955 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 1274825230440 in words is "one trillion, two hundred seventy-four billion, eight hundred twenty-five million, two hundred thirty thousand, four hundred forty".