1635214042 has 32 divisors (see below), whose sum is σ = 3094930944. Its totient is φ = 629415600.

The previous prime is 1635213997. The next prime is 1635214109. The reversal of 1635214042 is 2404125361.

It is a self number, because there is not a number n which added to its sum of digits gives 1635214042.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51184 + ... + 76747.

It is an arithmetic number, because the mean of its divisors is an integer number (96716592).

Almost surely, 2^1635214042 is an apocalyptic number.

1635214042 is a deficient number, since it is larger than the sum of its proper divisors (1459716902).

1635214042 is a wasteful number, since it uses less digits than its factorization.

1635214042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128034.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1635214042 is about 40437.7798846574. The cubic root of 1635214042 is about 1178.1254450786.

The spelling of 1635214042 in words is "one billion, six hundred thirty-five million, two hundred fourteen thousand, forty-two".