253006266642 has 16 divisors (see below), whose sum is σ = 506017742112. Its totient is φ = 84334554080.

The previous prime is 253006266589. The next prime is 253006266647. The reversal of 253006266642 is 246662600352.

It is a junction number, because it is equal to n+sod(n) for n = 253006266594 and 253006266603.

It is not an unprimeable number, because it can be changed into a prime (253006266647) 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, 737017 + ... + 1024307.

It is an arithmetic number, because the mean of its divisors is an integer number (31626108882).

Almost surely, 2^253006266642 is an apocalyptic number.

253006266642 is an abundant number, since it is smaller than the sum of its proper divisors (253011475470).

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

253006266642 is a wasteful number, since it uses less digits than its factorization.

253006266642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434073.

The product of its (nonzero) digits is 622080, while the sum is 42.

Adding to 253006266642 its reverse (246662600352), we get a palindrome (499668866994).

The spelling of 253006266642 in words is "two hundred fifty-three billion, six million, two hundred sixty-six thousand, six hundred forty-two".