642034041 has 8 divisors (see below), whose sum is σ = 933867744. Its totient is φ = 389111520.

The previous prime is 642034009. The next prime is 642034049. The reversal of 642034041 is 140430246.

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

It is not a de Polignac number, because 642034041 - 2⁵ = 642034009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (642034049) 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, 9727756 + ... + 9727821.

It is an arithmetic number, because the mean of its divisors is an integer number (116733468).

Almost surely, 2^642034041 is an apocalyptic number.

It is an amenable number.

642034041 is a deficient number, since it is larger than the sum of its proper divisors (291833703).

642034041 is a wasteful number, since it uses less digits than its factorization.

642034041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19455591.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 642034041 is about 25338.3906552883. The cubic root of 642034041 is about 862.6858706326.

Adding to 642034041 its reverse (140430246), we get a palindrome (782464287).

The spelling of 642034041 in words is "six hundred forty-two million, thirty-four thousand, forty-one".