1802140530 has 64 divisors (see below), whose sum is σ = 4416871680. Its totient is φ = 470486016.

The previous prime is 1802140517. The next prime is 1802140553. The reversal of 1802140530 is 350412081.

It is a self number, because there is not a number n which added to its sum of digits gives 1802140530.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 271734 + ... + 278286.

It is an arithmetic number, because the mean of its divisors is an integer number (69013620).

Almost surely, 2^1802140530 is an apocalyptic number.

1802140530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1802140530 is an abundant number, since it is smaller than the sum of its proper divisors (2614731150).

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

1802140530 is a wasteful number, since it uses less digits than its factorization.

1802140530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6755.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1802140530 is about 42451.6257639210. The cubic root of 1802140530 is about 1216.9223983195.

The spelling of 1802140530 in words is "one billion, eight hundred two million, one hundred forty thousand, five hundred thirty".