43645285380 has 24 divisors (see below), whose sum is σ = 122206799232. Its totient is φ = 11638742752.

The previous prime is 43645285363. The next prime is 43645285399. The reversal of 43645285380 is 8358254634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363710652 + ... + 363710771.

It is an arithmetic number, because the mean of its divisors is an integer number (5091949968).

Almost surely, 2^43645285380 is an apocalyptic number.

It is an amenable number.

43645285380 is an abundant number, since it is smaller than the sum of its proper divisors (78561513852).

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

43645285380 is a wasteful number, since it uses less digits than its factorization.

43645285380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727421435 (or 727421433 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 48.

The spelling of 43645285380 in words is "forty-three billion, six hundred forty-five million, two hundred eighty-five thousand, three hundred eighty".