642052250246 has 32 divisors (see below), whose sum is σ = 1069500948480. Its totient is φ = 286638955200.

The previous prime is 642052250237. The next prime is 642052250299.

642052250246 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 635111 + ... + 1299026.

It is an arithmetic number, because the mean of its divisors is an integer number (33421904640).

Almost surely, 2^642052250246 is an apocalyptic number.

642052250246 is a deficient number, since it is larger than the sum of its proper divisors (427448698234).

642052250246 is a wasteful number, since it uses less digits than its factorization.

642052250246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1934420.

The product of its (nonzero) digits is 230400, while the sum is 38.

It can be divided in two parts, 642052 and 250246, that added together give a palindrome (892298).

The spelling of 642052250246 in words is "six hundred forty-two billion, fifty-two million, two hundred fifty thousand, two hundred forty-six".