274274017920 has 1024 divisors, whose sum is σ = 1190362521600. Its totient is φ = 58256326656.

The previous prime is 274274017889. The next prime is 274274017931. The reversal of 274274017920 is 29710472472.

It is a super-2 number, since 2×274274017920² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 170673757 + ... + 170675363.

It is an arithmetic number, because the mean of its divisors is an integer number (1162463400).

Almost surely, 2^274274017920 is an apocalyptic number.

274274017920 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 274274017920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595181260800).

274274017920 is an abundant number, since it is smaller than the sum of its proper divisors (916088503680).

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

274274017920 is a wasteful number, since it uses less digits than its factorization.

274274017920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742 (or 1724 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The spelling of 274274017920 in words is "two hundred seventy-four billion, two hundred seventy-four million, seventeen thousand, nine hundred twenty".