43374240 has 288 divisors, whose sum is σ = 182722176. Its totient is φ = 9123840.

The previous prime is 43374217. The next prime is 43374257. The reversal of 43374240 is 4247334.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 130875 + ... + 131205.

It is an arithmetic number, because the mean of its divisors is an integer number (634452).

Almost surely, 2^43374240 is an apocalyptic number.

43374240 is a gapful number since it is divisible by the number (40) 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 43374240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91361088).

43374240 is an abundant number, since it is smaller than the sum of its proper divisors (139347936).

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

43374240 is a wasteful number, since it uses less digits than its factorization.

43374240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 27.

The square root of 43374240 is about 6585.9122374960. The cubic root of 43374240 is about 351.3532373010.

The spelling of 43374240 in words is "forty-three million, three hundred seventy-four thousand, two hundred forty".