43212542240 has 96 divisors (see below), whose sum is σ = 116723617920. Its totient is φ = 14809411584.

The previous prime is 43212542207. The next prime is 43212542257. The reversal of 43212542240 is 4224521234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3166151 + ... + 3179769.

It is an arithmetic number, because the mean of its divisors is an integer number (1215871020).

Almost surely, 2^43212542240 is an apocalyptic number.

43212542240 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 43212542240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58361808960).

43212542240 is an abundant number, since it is smaller than the sum of its proper divisors (73511075680).

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

43212542240 is a wasteful number, since it uses less digits than its factorization.

43212542240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16474 (or 16466 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

The spelling of 43212542240 in words is "forty-three billion, two hundred twelve million, five hundred forty-two thousand, two hundred forty".