274990144 has 56 divisors (see below), whose sum is σ = 641104128. Its totient is φ = 115376640.

The previous prime is 274990141. The next prime is 274990159. The reversal of 274990144 is 441099472.

It is a junction number, because it is equal to n+sod(n) for n = 274990097 and 274990106.

It is not an unprimeable number, because it can be changed into a prime (274990141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5872 + ... + 24175.

It is an arithmetic number, because the mean of its divisors is an integer number (11448288).

Almost surely, 2^274990144 is an apocalyptic number.

It is an amenable number.

274990144 is an abundant number, since it is smaller than the sum of its proper divisors (366113984).

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

274990144 is a wasteful number, since it uses less digits than its factorization.

274990144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30083 (or 30073 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 274990144 is about 16582.8267795331. The cubic root of 274990144 is about 650.2879544666.

The spelling of 274990144 in words is "two hundred seventy-four million, nine hundred ninety thousand, one hundred forty-four".