42540135432 has 32 divisors (see below), whose sum is σ = 106409959200. Its totient is φ = 14172095744.

The previous prime is 42540135403. The next prime is 42540135457. The reversal of 42540135432 is 23453104524.

42540135432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42540135393 and 42540135402.

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, 453057 + ... + 538832.

It is an arithmetic number, because the mean of its divisors is an integer number (3325311225).

Almost surely, 2^42540135432 is an apocalyptic number.

It is an amenable number.

42540135432 is an abundant number, since it is smaller than the sum of its proper divisors (63869823768).

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

42540135432 is a wasteful number, since it uses less digits than its factorization.

42540135432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993685 (or 993681 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 42540135432 its reverse (23453104524), we get a palindrome (65993239956).

The spelling of 42540135432 in words is "forty-two billion, five hundred forty million, one hundred thirty-five thousand, four hundred thirty-two".