1949355056 has 20 divisors (see below), whose sum is σ = 4120228104. Its totient is φ = 886070400.

The previous prime is 1949355049. The next prime is 1949355119. The reversal of 1949355056 is 6505539491.

It is a self number, because there is not a number n which added to its sum of digits gives 1949355056.

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, 5537765 + ... + 5538116.

Almost surely, 2^1949355056 is an apocalyptic number.

1949355056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1949355056 is an abundant number, since it is smaller than the sum of its proper divisors (2170873048).

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

1949355056 is a wasteful number, since it uses less digits than its factorization.

1949355056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11075900 (or 11075894 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 47.

The square root of 1949355056 is about 44151.5011749318. The cubic root of 1949355056 is about 1249.1952272639.

It can be divided in two parts, 194935 and 5056, that added together give a palindrome (199991).

The spelling of 1949355056 in words is "one billion, nine hundred forty-nine million, three hundred fifty-five thousand, fifty-six".