1948649044 has 24 divisors (see below), whose sum is σ = 3603620160. Its totient is φ = 919443456.

The previous prime is 1948649029. The next prime is 1948649047. The reversal of 1948649044 is 4409468491.

It is a super-2 number, since 2×1948649044² = 7594466193364227872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1948649047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30352 + ... + 69415.

It is an arithmetic number, because the mean of its divisors is an integer number (150150840).

Almost surely, 2^1948649044 is an apocalyptic number.

It is an amenable number.

1948649044 is a deficient number, since it is larger than the sum of its proper divisors (1654971116).

1948649044 is a wasteful number, since it uses less digits than its factorization.

1948649044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100047 (or 100045 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The square root of 1948649044 is about 44143.5051168346. The cubic root of 1948649044 is about 1249.0443990343.

The spelling of 1948649044 in words is "one billion, nine hundred forty-eight million, six hundred forty-nine thousand, forty-four".