43145540506240 has 128 divisors (see below), whose sum is σ = 103948325680320. Its totient is φ = 17123812392960.

The previous prime is 43145540506183. The next prime is 43145540506253. The reversal of 43145540506240 is 4260504554134.

It is a tau number, because it is divible by the number of its divisors (128).

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, 591622419 + ... + 591695341.

Almost surely, 2^{43145540506240} is an apocalyptic number.

43145540506240 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 43145540506240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51974162840160).

43145540506240 is an abundant number, since it is smaller than the sum of its proper divisors (60802785174080).

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

43145540506240 is a wasteful number, since it uses less digits than its factorization.

43145540506240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80130 (or 80118 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

The spelling of 43145540506240 in words is "forty-three trillion, one hundred forty-five billion, five hundred forty million, five hundred six thousand, two hundred forty".