818944053024 has 48 divisors (see below), whose sum is σ = 2150358864192. Its totient is φ = 272901259008.

The previous prime is 818944053023. The next prime is 818944053041. The reversal of 818944053024 is 420350449818.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×818944053024² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (818944053023) 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, 922084 + ... + 1577379.

It is an arithmetic number, because the mean of its divisors is an integer number (44799143004).

Almost surely, 2^818944053024 is an apocalyptic number.

It is an amenable number.

818944053024 is an abundant number, since it is smaller than the sum of its proper divisors (1331414811168).

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

818944053024 is a wasteful number, since it uses less digits than its factorization.

818944053024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502889 (or 2502881 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 818944053024 in words is "eight hundred eighteen billion, nine hundred forty-four million, fifty-three thousand, twenty-four".