274234440 has 64 divisors (see below), whose sum is σ = 851083200. Its totient is φ = 70606592.

The previous prime is 274234427. The next prime is 274234453. The reversal of 274234440 is 44432472.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (274234427) and next prime (274234453).

It is a super-2 number, since 2×274234440² = 150409056164227200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 274234398 and 274234407.

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, 35922 + ... + 42881.

It is an arithmetic number, because the mean of its divisors is an integer number (13298175).

Almost surely, 2^274234440 is an apocalyptic number.

274234440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

274234440 is an abundant number, since it is smaller than the sum of its proper divisors (576848760).

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

274234440 is a wasteful number, since it uses less digits than its factorization.

274234440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78846 (or 78842 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 30.

The square root of 274234440 is about 16560.0253622994. The cubic root of 274234440 is about 649.6917196904.

The spelling of 274234440 in words is "two hundred seventy-four million, two hundred thirty-four thousand, four hundred forty".