274400140 has 48 divisors (see below), whose sum is σ = 676372032. Its totient is φ = 91535616.

The previous prime is 274400131. The next prime is 274400173. The reversal of 274400140 is 41004472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21307 + ... + 31666.

It is an arithmetic number, because the mean of its divisors is an integer number (14091084).

Almost surely, 2^274400140 is an apocalyptic number.

274400140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274400140 is an abundant number, since it is smaller than the sum of its proper divisors (401971892).

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

274400140 is a wasteful number, since it uses less digits than its factorization.

274400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53026 (or 53024 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 274400140 is about 16565.0276184497. The cubic root of 274400140 is about 649.8225472198.

The spelling of 274400140 in words is "two hundred seventy-four million, four hundred thousand, one hundred forty".