811418664342 has 64 divisors (see below), whose sum is σ = 1907259911424. Its totient is φ = 226885760640.

The previous prime is 811418664317. The next prime is 811418664361. The reversal of 811418664342 is 243466814118.

It is a junction number, because it is equal to n+sod(n) for n = 811418664291 and 811418664300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2147928 + ... + 2497284.

It is an arithmetic number, because the mean of its divisors is an integer number (29800936116).

Almost surely, 2^811418664342 is an apocalyptic number.

811418664342 is an abundant number, since it is smaller than the sum of its proper divisors (1095841247082).

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

811418664342 is a wasteful number, since it uses less digits than its factorization.

811418664342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352093.

The product of its digits is 884736, while the sum is 48.

The spelling of 811418664342 in words is "eight hundred eleven billion, four hundred eighteen million, six hundred sixty-four thousand, three hundred forty-two".