42401003512 has 64 divisors (see below), whose sum is σ = 92626571520. Its totient is φ = 17821609728.

The previous prime is 42401003471. The next prime is 42401003537. The reversal of 42401003512 is 21530010424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 603483 + ... + 670069.

It is an arithmetic number, because the mean of its divisors is an integer number (1447290180).

Almost surely, 2^42401003512 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 42401003512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46313285760).

42401003512 is an abundant number, since it is smaller than the sum of its proper divisors (50225568008).

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

42401003512 is a wasteful number, since it uses less digits than its factorization.

42401003512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66820 (or 66816 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 42401003512 its reverse (21530010424), we get a palindrome (63931013936).

The spelling of 42401003512 in words is "forty-two billion, four hundred one million, three thousand, five hundred twelve".