274441428 has 36 divisors (see below), whose sum is σ = 723891168. Its totient is φ = 87502800.

The previous prime is 274441393. The next prime is 274441441. The reversal of 274441428 is 824144472.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 274441392 and 274441401.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 164898 + ... + 166553.

It is an arithmetic number, because the mean of its divisors is an integer number (20108088).

Almost surely, 2^274441428 is an apocalyptic number.

It is an amenable number.

274441428 is an abundant number, since it is smaller than the sum of its proper divisors (449449740).

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

274441428 is a wasteful number, since it uses less digits than its factorization.

274441428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331484 (or 331479 counting only the distinct ones).

The product of its digits is 57344, while the sum is 36.

The square root of 274441428 is about 16566.2738115727. The cubic root of 274441428 is about 649.8551377374.

The spelling of 274441428 in words is "two hundred seventy-four million, four hundred forty-one thousand, four hundred twenty-eight".