1008723042820 has 12 divisors (see below), whose sum is σ = 2118318389964. Its totient is φ = 403489217120.

The previous prime is 1008723042791. The next prime is 1008723042853. The reversal of 1008723042820 is 282403278001.

It can be written as a sum of positive squares in 2 ways, for example, as 309750128704 + 698972914116 = 556552^2 + 836046^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1008723042820.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25218076051 + ... + 25218076090.

It is an arithmetic number, because the mean of its divisors is an integer number (176526532497).

Almost surely, 2^{1008723042820} is an apocalyptic number.

1008723042820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1008723042820 is an abundant number, since it is smaller than the sum of its proper divisors (1109595347144).

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

1008723042820 is a wasteful number, since it uses less digits than its factorization.

1008723042820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50436152150 (or 50436152148 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 1008723042820 in words is "one trillion, eight billion, seven hundred twenty-three million, forty-two thousand, eight hundred twenty".