1274857943040 has 624 divisors, whose sum is σ = 4859631968256. Its totient is φ = 306561024000.

The previous prime is 1274857943027. The next prime is 1274857943041. The reversal of 1274857943040 is 403497584721.

1274857943040 is a `hidden beast` number, since 1 + 2 + 7 + 485 + 7 + 94 + 30 + 40 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1274857943041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 257492565 + ... + 257497515.

It is an arithmetic number, because the mean of its divisors is an integer number (7787871744).

Almost surely, 2^{1274857943040} is an apocalyptic number.

1274857943040 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 1274857943040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2429815984128).

1274857943040 is an abundant number, since it is smaller than the sum of its proper divisors (3584774025216).

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

1274857943040 is a wasteful number, since it uses less digits than its factorization.

1274857943040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5124 (or 5099 counting only the distinct ones).

The product of its (nonzero) digits is 6773760, while the sum is 54.

The spelling of 1274857943040 in words is "one trillion, two hundred seventy-four billion, eight hundred fifty-seven million, nine hundred forty-three thousand, forty".