274876240 has 40 divisors (see below), whose sum is σ = 642813768. Its totient is φ = 109309440.

The previous prime is 274876237. The next prime is 274876271. The reversal of 274876240 is 42678472.

It can be written as a sum of positive squares in 4 ways, for example, as 13601344 + 261274896 = 3688^2 + 16164^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 274876193 and 274876202.

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, 3910 + ... + 23770.

Almost surely, 2^274876240 is an apocalyptic number.

274876240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274876240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321406884).

274876240 is an abundant number, since it is smaller than the sum of its proper divisors (367937528).

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

274876240 is a wasteful number, since it uses less digits than its factorization.

274876240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20047 (or 20041 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 274876240 is about 16579.3920274538. The cubic root of 274876240 is about 650.1981565471.

The spelling of 274876240 in words is "two hundred seventy-four million, eight hundred seventy-six thousand, two hundred forty".