4253048478318 has 32 divisors (see below), whose sum is σ = 9006547769856. Its totient is φ = 1334276064128.

The previous prime is 4253048478271. The next prime is 4253048478319. The reversal of 4253048478318 is 8138748403524.

It is a super-2 number, since 2×4253048478318² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4253048478319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15317755 + ... + 15592937.

It is an arithmetic number, because the mean of its divisors is an integer number (281454617808).

Almost surely, 2^{4253048478318} is an apocalyptic number.

4253048478318 is an abundant number, since it is smaller than the sum of its proper divisors (4753499291538).

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

4253048478318 is a wasteful number, since it uses less digits than its factorization.

4253048478318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426728.

The product of its (nonzero) digits is 20643840, while the sum is 57.

The spelling of 4253048478318 in words is "four trillion, two hundred fifty-three billion, forty-eight million, four hundred seventy-eight thousand, three hundred eighteen".