1802798611092 has 72 divisors (see below), whose sum is σ = 4726090441800. Its totient is φ = 578749425408.

The previous prime is 1802798611087. The next prime is 1802798611093. The reversal of 1802798611092 is 2901168972081.

It is a happy number.

1802798611092 is a `hidden beast` number, since 18 + 0 + 2 + 7 + 9 + 8 + 611 + 0 + 9 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 614602689156 + 1188195921936 = 783966^2 + 1090044^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1802798611093) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1760367 + ... + 2589302.

It is an arithmetic number, because the mean of its divisors is an integer number (65640145025).

Almost surely, 2^{1802798611092} is an apocalyptic number.

1802798611092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1802798611092 is an abundant number, since it is smaller than the sum of its proper divisors (2923291830708).

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

1802798611092 is a wasteful number, since it uses less digits than its factorization.

1802798611092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4350105 (or 4350100 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 54.

The spelling of 1802798611092 in words is "one trillion, eight hundred two billion, seven hundred ninety-eight million, six hundred eleven thousand, ninety-two".