814220270538 has 16 divisors (see below), whose sum is σ = 1628921089440. Its totient is φ = 271326665456.

The previous prime is 814220270533. The next prime is 814220270543. The reversal of 814220270538 is 835072022418.

It is an interprime number because it is at equal distance from previous prime (814220270533) and next prime (814220270543).

It is a self number, because there is not a number n which added to its sum of digits gives 814220270538.

It is not an unprimeable number, because it can be changed into a prime (814220270533) 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, 20000820 + ... + 20041487.

It is an arithmetic number, because the mean of its divisors is an integer number (101807568090).

Almost surely, 2^814220270538 is an apocalyptic number.

814220270538 is an abundant number, since it is smaller than the sum of its proper divisors (814700818902).

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

814220270538 is a wasteful number, since it uses less digits than its factorization.

814220270538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40045701.

The product of its (nonzero) digits is 215040, while the sum is 42.

The spelling of 814220270538 in words is "eight hundred fourteen billion, two hundred twenty million, two hundred seventy thousand, five hundred thirty-eight".