274323955640 has 64 divisors (see below), whose sum is σ = 707163860160. Its totient is φ = 93819340800.

The previous prime is 274323955621. The next prime is 274323955687. The reversal of 274323955640 is 46559323472.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1109327 + ... + 1333886.

It is an arithmetic number, because the mean of its divisors is an integer number (11049435315).

Almost surely, 2^274323955640 is an apocalyptic number.

274323955640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274323955640 is an abundant number, since it is smaller than the sum of its proper divisors (432839904520).

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

274323955640 is a wasteful number, since it uses less digits than its factorization.

274323955640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2443632 (or 2443628 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 50.

The spelling of 274323955640 in words is "two hundred seventy-four billion, three hundred twenty-three million, nine hundred fifty-five thousand, six hundred forty".