1842120468 has 30 divisors (see below), whose sum is σ = 4815667626. Its totient is φ = 614040048.

The previous prime is 1842120437. The next prime is 1842120481. The reversal of 1842120468 is 8640212481.

1842120468 is a `hidden beast` number, since 184 + 2 + 12 + 0 + 468 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1303787664 + 538332804 = 36108^2 + 23202^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2842455 + ... + 2843102.

Almost surely, 2^1842120468 is an apocalyptic number.

1842120468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1842120468 is an abundant number, since it is smaller than the sum of its proper divisors (2973547158).

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

1842120468 is a wasteful number, since it uses less digits than its factorization.

1842120468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685573 (or 5685562 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 1842120468 is about 42919.9308946322. The cubic root of 1842120468 is about 1225.8556771566.

The spelling of 1842120468 in words is "one billion, eight hundred forty-two million, one hundred twenty thousand, four hundred sixty-eight".