42944800140 has 144 divisors (see below), whose sum is σ = 144110244096. Its totient is φ = 10264195200.

The previous prime is 42944800139. The next prime is 42944800153. The reversal of 42944800140 is 4100844924.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 42944800095 and 42944800104.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12162 + ... + 293321.

It is an arithmetic number, because the mean of its divisors is an integer number (1000765584).

Almost surely, 2^42944800140 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 42944800140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72055122048).

42944800140 is an abundant number, since it is smaller than the sum of its proper divisors (101165443956).

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

42944800140 is a wasteful number, since it uses less digits than its factorization.

42944800140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305580 (or 305575 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 42944800140 in words is "forty-two billion, nine hundred forty-four million, eight hundred thousand, one hundred forty".