3049091780 has 48 divisors (see below), whose sum is σ = 7748286336. Its totient is φ = 983907840.

The previous prime is 3049091777. The next prime is 3049091789. The reversal of 3049091780 is 871909403.

It is a happy number.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (3049091789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638186 + ... + 642945.

It is an arithmetic number, because the mean of its divisors is an integer number (161422632).

Almost surely, 2^3049091780 is an apocalyptic number.

It is an amenable number.

3049091780 is an abundant number, since it is smaller than the sum of its proper divisors (4699194556).

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

3049091780 is a wasteful number, since it uses less digits than its factorization.

3049091780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281164 (or 1281162 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 3049091780 is about 55218.5818361899. The cubic root of 3049091780 is about 1450.0740001869.

The spelling of 3049091780 in words is "three billion, forty-nine million, ninety-one thousand, seven hundred eighty".