274550540 has 96 divisors (see below), whose sum is σ = 679311360. Its totient is φ = 92153600.

The previous prime is 274550537. The next prime is 274550557. The reversal of 274550540 is 45055472.

It is a junction number, because it is equal to n+sod(n) for n = 274550497 and 274550506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 145805 + ... + 147675.

It is an arithmetic number, because the mean of its divisors is an integer number (7076160).

Almost surely, 2^274550540 is an apocalyptic number.

274550540 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 274550540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (339655680).

274550540 is an abundant number, since it is smaller than the sum of its proper divisors (404760820).

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

274550540 is a wasteful number, since it uses less digits than its factorization.

274550540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1943 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 32.

The square root of 274550540 is about 16569.5666811175. The cubic root of 274550540 is about 649.9412491278.

The spelling of 274550540 in words is "two hundred seventy-four million, five hundred fifty thousand, five hundred forty".