43787243412 has 240 divisors, whose sum is σ = 129420244800. Its totient is φ = 12794595840.

The previous prime is 43787243371. The next prime is 43787243429. The reversal of 43787243412 is 21434278734.

43787243412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 11142664 + ... + 11146592.

It is an arithmetic number, because the mean of its divisors is an integer number (539251020).

Almost surely, 2^43787243412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43787243412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64710122400).

43787243412 is an abundant number, since it is smaller than the sum of its proper divisors (85633001388).

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

43787243412 is a wasteful number, since it uses less digits than its factorization.

43787243412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4068 (or 4057 counting only the distinct ones).

The product of its digits is 903168, while the sum is 45.

The spelling of 43787243412 in words is "forty-three billion, seven hundred eighty-seven million, two hundred forty-three thousand, four hundred twelve".