1949994444 has 96 divisors (see below), whose sum is σ = 4793209344. Its totient is φ = 616412160.

The previous prime is 1949994437. The next prime is 1949994463. The reversal of 1949994444 is 4444999491.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3090009 + ... + 3090639.

It is an arithmetic number, because the mean of its divisors is an integer number (49929264).

Almost surely, 2^1949994444 is an apocalyptic number.

It is an amenable number.

1949994444 is an abundant number, since it is smaller than the sum of its proper divisors (2843214900).

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

1949994444 is a wasteful number, since it uses less digits than its factorization.

1949994444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847 (or 845 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 57.

The square root of 1949994444 is about 44158.7414222824. The cubic root of 1949994444 is about 1249.3317909143.

The spelling of 1949994444 in words is "one billion, nine hundred forty-nine million, nine hundred ninety-four thousand, four hundred forty-four".