642541362 has 16 divisors (see below), whose sum is σ = 1286067072. Its totient is φ = 214016400.

The previous prime is 642541337. The next prime is 642541369. The reversal of 642541362 is 263145246.

It is not an unprimeable number, because it can be changed into a prime (642541369) 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, 32389 + ... + 48312.

It is an arithmetic number, because the mean of its divisors is an integer number (80379192).

Almost surely, 2^642541362 is an apocalyptic number.

642541362 is an abundant number, since it is smaller than the sum of its proper divisors (643525710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

642541362 is a wasteful number, since it uses less digits than its factorization.

642541362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82033.

The product of its digits is 34560, while the sum is 33.

The square root of 642541362 is about 25348.3995944517. The cubic root of 642541362 is about 862.9130358633.

The spelling of 642541362 in words is "six hundred forty-two million, five hundred forty-one thousand, three hundred sixty-two".