42938709420 has 96 divisors (see below), whose sum is σ = 125321188608. Its totient is φ = 10974534912.

The previous prime is 42938709397. The next prime is 42938709433. The reversal of 42938709420 is 2490783924.

It is a self number, because there is not a number n which added to its sum of digits gives 42938709420.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4399 + ... + 293081.

It is an arithmetic number, because the mean of its divisors is an integer number (1305429048).

Almost surely, 2^42938709420 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 42938709420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62660594304).

42938709420 is an abundant number, since it is smaller than the sum of its proper divisors (82382479188).

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

42938709420 is a wasteful number, since it uses less digits than its factorization.

42938709420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288799 (or 288797 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 42938709420 in words is "forty-two billion, nine hundred thirty-eight million, seven hundred nine thousand, four hundred twenty".