39550980 has 48 divisors (see below), whose sum is σ = 126564480. Its totient is φ = 9040128.

The previous prime is 39550967. The next prime is 39550991. The reversal of 39550980 is 8905593.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46665 + ... + 47504.

It is an arithmetic number, because the mean of its divisors is an integer number (2636760).

Almost surely, 2^39550980 is an apocalyptic number.

39550980 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39550980 is an abundant number, since it is smaller than the sum of its proper divisors (87013500).

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

39550980 is a wasteful number, since it uses less digits than its factorization.

39550980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94188 (or 94186 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 39.

The square root of 39550980 is about 6288.9569882453. The cubic root of 39550980 is about 340.7106818655.

The spelling of 39550980 in words is "thirty-nine million, five hundred fifty thousand, nine hundred eighty".