274465140 has 24 divisors (see below), whose sum is σ = 768502560. Its totient is φ = 73190688.

The previous prime is 274465133. The next prime is 274465151. The reversal of 274465140 is 41564472.

It is a super-2 number, since 2×274465140² = 150662226150439200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2287150 + ... + 2287269.

It is an arithmetic number, because the mean of its divisors is an integer number (32020940).

Almost surely, 2^274465140 is an apocalyptic number.

274465140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274465140 is an abundant number, since it is smaller than the sum of its proper divisors (494037420).

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

274465140 is a wasteful number, since it uses less digits than its factorization.

274465140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4574431 (or 4574429 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 274465140 is about 16566.9894670094. The cubic root of 274465140 is about 649.8738532321.

The spelling of 274465140 in words is "two hundred seventy-four million, four hundred sixty-five thousand, one hundred forty".