274974323520 has 224 divisors, whose sum is σ = 945975768192. Its totient is φ = 67270238208.

The previous prime is 274974323473. The next prime is 274974323557. The reversal of 274974323520 is 25323479472.

It is a super-2 number, since 2×274974323520² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 274974323520.

It is a congruent number.

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, 1966654 + ... + 2101826.

It is an arithmetic number, because the mean of its divisors is an integer number (4223106108).

Almost surely, 2^274974323520 is an apocalyptic number.

274974323520 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 274974323520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (472987884096).

274974323520 is an abundant number, since it is smaller than the sum of its proper divisors (671001444672).

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

274974323520 is a wasteful number, since it uses less digits than its factorization.

274974323520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135369 (or 135359 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 48.

The spelling of 274974323520 in words is "two hundred seventy-four billion, nine hundred seventy-four million, three hundred twenty-three thousand, five hundred twenty".