43276240 has 40 divisors (see below), whose sum is σ = 114992640. Its totient is φ = 14837376.

The previous prime is 43276231. The next prime is 43276241. The reversal of 43276240 is 4267234.

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 (28).

It is a junction number, because it is equal to n+sod(n) for n = 43276199 and 43276208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43276241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38080 + ... + 39199.

It is an arithmetic number, because the mean of its divisors is an integer number (2874816).

Almost surely, 2^43276240 is an apocalyptic number.

43276240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

43276240 is an abundant number, since it is smaller than the sum of its proper divisors (71716400).

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

43276240 is a wasteful number, since it uses less digits than its factorization.

43276240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77299 (or 77293 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 43276240 is about 6578.4679067394. The cubic root of 43276240 is about 351.0884212699.

The spelling of 43276240 in words is "forty-three million, two hundred seventy-six thousand, two hundred forty".