1802399072 has 24 divisors (see below), whose sum is σ = 3550239000. Its totient is φ = 900751104.

The previous prime is 1802399017. The next prime is 1802399101. The reversal of 1802399072 is 2709932081.

It is a happy number.

It is a super-2 number, since 2×1802399072² = 6497284829492922368, 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, 56804 + ... + 82652.

It is an arithmetic number, because the mean of its divisors is an integer number (147926625).

Almost surely, 2^1802399072 is an apocalyptic number.

It is an amenable number.

1802399072 is a deficient number, since it is larger than the sum of its proper divisors (1747839928).

1802399072 is a wasteful number, since it uses less digits than its factorization.

1802399072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28038 (or 28030 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 1802399072 is about 42454.6707913275. The cubic root of 1802399072 is about 1216.9805903234.

The spelling of 1802399072 in words is "one billion, eight hundred two million, three hundred ninety-nine thousand, seventy-two".