42001292635 has 8 divisors (see below), whose sum is σ = 50442973056. Its totient is φ = 33573419520.

The previous prime is 42001292633. The next prime is 42001292639. The reversal of 42001292635 is 53629210024.

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

It is not a de Polignac number, because 42001292635 - 2¹ = 42001292633 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42001292635.

It is not an unprimeable number, because it can be changed into a prime (42001292633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3445131 + ... + 3457300.

It is an arithmetic number, because the mean of its divisors is an integer number (6305371632).

Almost surely, 2^42001292635 is an apocalyptic number.

42001292635 is a deficient number, since it is larger than the sum of its proper divisors (8441680421).

42001292635 is a wasteful number, since it uses less digits than its factorization.

42001292635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6903653.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 42001292635 in words is "forty-two billion, one million, two hundred ninety-two thousand, six hundred thirty-five".