42000632 has 8 divisors (see below), whose sum is σ = 78751200. Its totient is φ = 21000312.

The previous prime is 42000611. The next prime is 42000649. The reversal of 42000632 is 23600024.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 42000632.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625032 + ... + 2625047.

It is an arithmetic number, because the mean of its divisors is an integer number (9843900).

Almost surely, 2^42000632 is an apocalyptic number.

It is an amenable number.

42000632 is a deficient number, since it is larger than the sum of its proper divisors (36750568).

42000632 is a wasteful number, since it uses less digits than its factorization.

42000632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5250085 (or 5250081 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 42000632 is about 6480.7894580830. The cubic root of 42000632 is about 347.6044080107.

Adding to 42000632 its reverse (23600024), we get a palindrome (65600656).

The spelling of 42000632 in words is "forty-two million, six hundred thirty-two", and thus it is an aban number.