19700044 has 24 divisors (see below), whose sum is σ = 42431648. Its totient is φ = 7793280.

The previous prime is 19700033. The next prime is 19700069. The reversal of 19700044 is 44000791.

It is a junction number, because it is equal to n+sod(n) for n = 19699991 and 19700018.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26697 + ... + 27424.

Almost surely, 2^19700044 is an apocalyptic number.

19700044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

19700044 is an abundant number, since it is smaller than the sum of its proper divisors (22731604).

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

19700044 is a wasteful number, since it uses less digits than its factorization.

19700044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54145 (or 54143 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 19700044 is about 4438.4731608967. The cubic root of 19700044 is about 270.0779107579.

The spelling of 19700044 in words is "nineteen million, seven hundred thousand, forty-four".