42004121532 has 24 divisors (see below), whose sum is σ = 98092638672. Its totient is φ = 13989513600.

The previous prime is 42004121521. The next prime is 42004121567. The reversal of 42004121532 is 23512140024.

42004121532 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 3×42004121532³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1467769 + ... + 1496112.

It is an arithmetic number, because the mean of its divisors is an integer number (4087193278).

Almost surely, 2^42004121532 is an apocalyptic number.

It is an amenable number.

42004121532 is an abundant number, since it is smaller than the sum of its proper divisors (56088517140).

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

42004121532 is a wasteful number, since it uses less digits than its factorization.

42004121532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965069 (or 2965067 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 42004121532 its reverse (23512140024), we get a palindrome (65516261556).

The spelling of 42004121532 in words is "forty-two billion, four million, one hundred twenty-one thousand, five hundred thirty-two".