42531053520 has 160 divisors (see below), whose sum is σ = 138377071872. Its totient is φ = 10785550336.

The previous prime is 42531053507. The next prime is 42531053597. The reversal of 42531053520 is 2535013524.

It is a super-2 number, since 2×42531053520² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 932692 + ... + 977228.

Almost surely, 2^42531053520 is an apocalyptic number.

42531053520 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 42531053520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69188535936).

42531053520 is an abundant number, since it is smaller than the sum of its proper divisors (95846018352).

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

42531053520 is a wasteful number, since it uses less digits than its factorization.

42531053520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44749 (or 44743 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The spelling of 42531053520 in words is "forty-two billion, five hundred thirty-one million, fifty-three thousand, five hundred twenty".