1949054544 has 30 divisors (see below), whose sum is σ = 5454646106. Its totient is φ = 649684800.

The previous prime is 1949054543. The next prime is 1949054551. The reversal of 1949054544 is 4454509491.

1949054544 is a `hidden beast` number, since 19 + 4 + 90 + 5 + 4 + 544 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1219406400 + 729648144 = 34920^2 + 27012^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1949054544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1949054543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6767407 + ... + 6767694.

Almost surely, 2^1949054544 is an apocalyptic number.

It is an amenable number.

1949054544 is an abundant number, since it is smaller than the sum of its proper divisors (3505591562).

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

1949054544 is a wasteful number, since it uses less digits than its factorization.

1949054544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13535115 (or 13535106 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 1949054544 is about 44148.0978525689. The cubic root of 1949054544 is about 1249.1310321092.

The spelling of 1949054544 in words is "one billion, nine hundred forty-nine million, fifty-four thousand, five hundred forty-four".