1949935180 has 12 divisors (see below), whose sum is σ = 4094863920. Its totient is φ = 779974064.

The previous prime is 1949935177. The next prime is 1949935181. The reversal of 1949935180 is 815399491.

It is not an unprimeable number, because it can be changed into a prime (1949935181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48748360 + ... + 48748399.

It is an arithmetic number, because the mean of its divisors is an integer number (341238660).

Almost surely, 2^1949935180 is an apocalyptic number.

1949935180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1949935180 is an abundant number, since it is smaller than the sum of its proper divisors (2144928740).

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

1949935180 is a wasteful number, since it uses less digits than its factorization.

1949935180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97496768 (or 97496766 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 49.

The square root of 1949935180 is about 44158.0703835664. The cubic root of 1949935180 is about 1249.3191342715.

The spelling of 1949935180 in words is "one billion, nine hundred forty-nine million, nine hundred thirty-five thousand, one hundred eighty".