1802038044 has 12 divisors (see below), whose sum is σ = 4204755464. Its totient is φ = 600679344.

The previous prime is 1802038037. The next prime is 1802038057. The reversal of 1802038044 is 4408302081.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1802038044² = 6494682224046691872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75084907 + ... + 75084930.

Almost surely, 2^1802038044 is an apocalyptic number.

It is an amenable number.

1802038044 is an abundant number, since it is smaller than the sum of its proper divisors (2402717420).

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

1802038044 is a wasteful number, since it uses less digits than its factorization.

1802038044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150169844 (or 150169842 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

The square root of 1802038044 is about 42450.4186551794. The cubic root of 1802038044 is about 1216.8993294798.

The spelling of 1802038044 in words is "one billion, eight hundred two million, thirty-eight thousand, forty-four".