43505242140 has 48 divisors (see below), whose sum is σ = 121824636192. Its totient is φ = 11600449536.

The previous prime is 43505242129. The next prime is 43505242169. The reversal of 43505242140 is 4124250534.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 43505242098 and 43505242107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1014412 + ... + 1056428.

It is an arithmetic number, because the mean of its divisors is an integer number (2538013254).

Almost surely, 2^43505242140 is an apocalyptic number.

It is an amenable number.

43505242140 is an abundant number, since it is smaller than the sum of its proper divisors (78319394052).

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

43505242140 is a wasteful number, since it uses less digits than its factorization.

43505242140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59286 (or 59284 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 43505242140 its reverse (4124250534), we get a palindrome (47629492674).

The spelling of 43505242140 in words is "forty-three billion, five hundred five million, two hundred forty-two thousand, one hundred forty".