38020289400 has 72 divisors (see below), whose sum is σ = 127684811280. Its totient is φ = 10138743360.

The previous prime is 38020289399. The next prime is 38020289423. The reversal of 38020289400 is 498202083.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 10559392 + ... + 10562991.

Almost surely, 2^38020289400 is an apocalyptic number.

38020289400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38020289400 is an abundant number, since it is smaller than the sum of its proper divisors (89664521880).

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

38020289400 is a wasteful number, since it uses less digits than its factorization.

38020289400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21122405 (or 21122393 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 38020289400 in words is "thirty-eight billion, twenty million, two hundred eighty-nine thousand, four hundred".