42041320536 has 64 divisors (see below), whose sum is σ = 106941949920. Its totient is φ = 13769118720.

The previous prime is 42041320513. The next prime is 42041320537. The reversal of 42041320536 is 63502314024.

42041320536 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×42041320536³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42041320537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380126 + ... + 1410258.

Almost surely, 2^42041320536 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 42041320536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53470974960).

42041320536 is an abundant number, since it is smaller than the sum of its proper divisors (64900629384).

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

42041320536 is a wasteful number, since it uses less digits than its factorization.

42041320536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31156 (or 31152 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

The spelling of 42041320536 in words is "forty-two billion, forty-one million, three hundred twenty thousand, five hundred thirty-six".