1949708080 has 20 divisors (see below), whose sum is σ = 4533071472. Its totient is φ = 779883200.

The previous prime is 1949708029. The next prime is 1949708119. The reversal of 1949708080 is 808079491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 1949708080.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12185596 + ... + 12185755.

Almost surely, 2^1949708080 is an apocalyptic number.

1949708080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1949708080 is an abundant number, since it is smaller than the sum of its proper divisors (2583363392).

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

1949708080 is a wasteful number, since it uses less digits than its factorization.

1949708080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24371364 (or 24371358 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 1949708080 is about 44155.4988648073. The cubic root of 1949708080 is about 1249.2706315668.

The spelling of 1949708080 in words is "one billion, nine hundred forty-nine million, seven hundred eight thousand, eighty".