42435877538 has 8 divisors (see below), whose sum is σ = 65848775580. Its totient is φ = 20486285680.

The previous prime is 42435877511. The next prime is 42435877559. The reversal of 42435877538 is 83577853424.

It can be written as a sum of positive squares in 2 ways, for example, as 41332109809 + 1103767729 = 203303^2 + 33223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365826473 + ... + 365826588.

Almost surely, 2^42435877538 is an apocalyptic number.

42435877538 is a deficient number, since it is larger than the sum of its proper divisors (23412898042).

42435877538 is a wasteful number, since it uses less digits than its factorization.

42435877538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731653092.

The product of its digits is 22579200, while the sum is 56.

The spelling of 42435877538 in words is "forty-two billion, four hundred thirty-five million, eight hundred seventy-seven thousand, five hundred thirty-eight".