274685143040 has 384 divisors, whose sum is σ = 825287823360. Its totient is φ = 85244313600.

The previous prime is 274685143009. The next prime is 274685143049. The reversal of 274685143040 is 40341586472.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 274685142982 and 274685143000.

It is not an unprimeable number, because it can be changed into a prime (274685143049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 223139225 + ... + 223140455.

It is an arithmetic number, because the mean of its divisors is an integer number (2149187040).

Almost surely, 2^274685143040 is an apocalyptic number.

274685143040 is a gapful number since it is divisible by the number (20) 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 274685143040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (412643911680).

274685143040 is an abundant number, since it is smaller than the sum of its proper divisors (550602680320).

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

274685143040 is a wasteful number, since it uses less digits than its factorization.

274685143040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1539 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 274685143040 in words is "two hundred seventy-four billion, six hundred eighty-five million, one hundred forty-three thousand, forty".