39802000440 has 32 divisors (see below), whose sum is σ = 119406001680. Its totient is φ = 10613866752.

The previous prime is 39802000439. The next prime is 39802000477. The reversal of 39802000440 is 4400020893.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 39802000398 and 39802000407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165841549 + ... + 165841788.

Almost surely, 2^39802000440 is an apocalyptic number.

39802000440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39802000440 is an abundant number, since it is smaller than the sum of its proper divisors (79604001240).

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

39802000440 is a wasteful number, since it uses less digits than its factorization.

39802000440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331683351 (or 331683347 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 39802000440 in words is "thirty-nine billion, eight hundred two million, four hundred forty", and thus it is an aban number.