19440050 has 48 divisors (see below), whose sum is σ = 41991360. Its totient is φ = 6557760.

The previous prime is 19440023. The next prime is 19440067. The reversal of 19440050 is 5004491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19439998 and 19440025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23036 + ... + 23864.

It is an arithmetic number, because the mean of its divisors is an integer number (874820).

Almost surely, 2^19440050 is an apocalyptic number.

19440050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19440050 is an abundant number, since it is smaller than the sum of its proper divisors (22551310).

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

19440050 is a wasteful number, since it uses less digits than its factorization.

19440050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 915 (or 910 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 19440050 is about 4409.0872071212. The cubic root of 19440050 is about 268.8845153182.

The spelling of 19440050 in words is "nineteen million, four hundred forty thousand, fifty".