38502180 has 36 divisors (see below), whose sum is σ = 116790492. Its totient is φ = 10267200.

The previous prime is 38502143. The next prime is 38502181. The reversal of 38502180 is 8120583.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 21013056 + 17489124 = 4584^2 + 4182^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (38502181) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 106771 + ... + 107130.

Almost surely, 2^38502180 is an apocalyptic number.

38502180 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38502180 is an abundant number, since it is smaller than the sum of its proper divisors (78288312).

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

38502180 is a wasteful number, since it uses less digits than its factorization.

38502180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213916 (or 213911 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 38502180 is about 6205.0124899149. The cubic root of 38502180 is about 337.6720439712.

The spelling of 38502180 in words is "thirty-eight million, five hundred two thousand, one hundred eighty".