43140288 has 56 divisors (see below), whose sum is σ = 120865392. Its totient is φ = 13533184.

The previous prime is 43140283. The next prime is 43140289. The reversal of 43140288 is 88204134.

It is a super-2 number, since 2×43140288² = 3722168897445888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (43140281) 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, 3345 + ... + 9872.

Almost surely, 2^43140288 is an apocalyptic number.

43140288 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

43140288 is an abundant number, since it is smaller than the sum of its proper divisors (77725104).

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

43140288 is a wasteful number, since it uses less digits than its factorization.

43140288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13249 (or 13239 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 43140288 is about 6568.1266735653. The cubic root of 43140288 is about 350.7203883505.

The spelling of 43140288 in words is "forty-three million, one hundred forty thousand, two hundred eighty-eight".