20174940441 has 12 divisors (see below), whose sum is σ = 29152733220. Its totient is φ = 13444812960.

The previous prime is 20174940439. The next prime is 20174940557. The reversal of 20174940441 is 14404947102.

20174940441 is a `hidden beast` number, since 2 + 0 + 174 + 9 + 40 + 441 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13981880025 + 6193060416 = 118245^2 + 78696^2 .

It is not a de Polignac number, because 20174940441 - 2¹ = 20174940439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20174940396 and 20174940405.

It is not an unprimeable number, because it can be changed into a prime (20174940941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 404046 + ... + 451223.

It is an arithmetic number, because the mean of its divisors is an integer number (2429394435).

Almost surely, 2^20174940441 is an apocalyptic number.

It is an amenable number.

20174940441 is a deficient number, since it is larger than the sum of its proper divisors (8977792779).

20174940441 is a wasteful number, since it uses less digits than its factorization.

20174940441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857896 (or 857893 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The spelling of 20174940441 in words is "twenty billion, one hundred seventy-four million, nine hundred forty thousand, four hundred forty-one".