39950180 has 24 divisors (see below), whose sum is σ = 84265272. Its totient is φ = 15909632.

The previous prime is 39950177. The next prime is 39950189. The reversal of 39950180 is 8105993.

It can be written as a sum of positive squares in 4 ways, for example, as 209764 + 39740416 = 458^2 + 6304^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 39950180.

It is not an unprimeable number, because it can be changed into a prime (39950189) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374 + ... + 8946.

It is an arithmetic number, because the mean of its divisors is an integer number (3511053).

Almost surely, 2^39950180 is an apocalyptic number.

It is an amenable number.

39950180 is an abundant number, since it is smaller than the sum of its proper divisors (44315092).

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

39950180 is a wasteful number, since it uses less digits than its factorization.

39950180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8815 (or 8813 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 39950180 is about 6320.6154763599. The cubic root of 39950180 is about 341.8531453443.

The spelling of 39950180 in words is "thirty-nine million, nine hundred fifty thousand, one hundred eighty".