42985439700 has 144 divisors (see below), whose sum is σ = 142246562304. Its totient is φ = 9817776000.

The previous prime is 42985439699. The next prime is 42985439723. The reversal of 42985439700 is 793458924.

It is a congruent number.

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, 3040047 + ... + 3054153.

Almost surely, 2^42985439700 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 42985439700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71123281152).

42985439700 is an abundant number, since it is smaller than the sum of its proper divisors (99261122604).

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

42985439700 is a wasteful number, since it uses less digits than its factorization.

42985439700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15582 (or 15575 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 42985439700 in words is "forty-two billion, nine hundred eighty-five million, four hundred thirty-nine thousand, seven hundred".