42010001280 has 768 divisors, whose sum is σ = 163801310400. Its totient is φ = 9852420096.

The previous prime is 42010001213. The next prime is 42010001287. The reversal of 42010001280 is 8210001024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42010001287) 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, 163462912 + ... + 163463168.

Almost surely, 2^42010001280 is an apocalyptic number.

42010001280 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 42010001280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81900655200).

42010001280 is an abundant number, since it is smaller than the sum of its proper divisors (121791309120).

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

42010001280 is a wasteful number, since it uses less digits than its factorization.

42010001280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The spelling of 42010001280 in words is "forty-two billion, ten million, one thousand, two hundred eighty".