42943569240 has 384 divisors, whose sum is σ = 153248474880. Its totient is φ = 9542707200.

The previous prime is 42943569233. The next prime is 42943569241. The reversal of 42943569240 is 4296534924.

It is a self number, because there is not a number n which added to its sum of digits gives 42943569240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42943569241) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 36361450 + ... + 36362630.

It is an arithmetic number, because the mean of its divisors is an integer number (399084570).

Almost surely, 2^42943569240 is an apocalyptic number.

42943569240 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 42943569240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76624237440).

42943569240 is an abundant number, since it is smaller than the sum of its proper divisors (110304905640).

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

42943569240 is a wasteful number, since it uses less digits than its factorization.

42943569240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395 (or 1378 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 42943569240 in words is "forty-two billion, nine hundred forty-three million, five hundred sixty-nine thousand, two hundred forty".