642030562 has 16 divisors (see below), whose sum is σ = 988358112. Its totient is φ = 312606880.

The previous prime is 642030541. The next prime is 642030629. The reversal of 642030562 is 265030246.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 642030562.

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, 39213 + ... + 53119.

It is an arithmetic number, because the mean of its divisors is an integer number (61772382).

Almost surely, 2^642030562 is an apocalyptic number.

642030562 is a deficient number, since it is larger than the sum of its proper divisors (346327550).

642030562 is a wasteful number, since it uses less digits than its factorization.

642030562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14513.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 642030562 is about 25338.3220044264. The cubic root of 642030562 is about 862.6843124133.

The spelling of 642030562 in words is "six hundred forty-two million, thirty thousand, five hundred sixty-two".