4340240280 has 128 divisors (see below), whose sum is σ = 14704862400. Its totient is φ = 1138406400.

The previous prime is 4340240273. The next prime is 4340240291. The reversal of 4340240280 is 820420434.

It is a happy number.

4340240280 is a `hidden beast` number, since 4 + 340 + 2 + 40 + 280 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32940 + ... + 98820.

Almost surely, 2^4340240280 is an apocalyptic number.

4340240280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is a pronic number, being equal to 65880×65881.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4340240280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7352431200).

4340240280 is an abundant number, since it is smaller than the sum of its proper divisors (10364622120).

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

4340240280 is a wasteful number, since it uses less digits than its factorization.

4340240280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65962 (or 65952 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 4340240280 is about 65880.4999981026. The cubic root of 4340240280 is about 1631.1901529107.

The spelling of 4340240280 in words is "four billion, three hundred forty million, two hundred forty thousand, two hundred eighty".