440374783194081 has 48 divisors (see below), whose sum is σ = 661768723313152. Its totient is φ = 281890541145600.

The previous prime is 440374783194061. The next prime is 440374783194083. The reversal of 440374783194081 is 180491387473044.

It is a happy number.

440374783194081 is a `hidden beast` number, since 4 + 4 + 0 + 37 + 478 + 3 + 19 + 40 + 81 = 666.

It is not a de Polignac number, because 440374783194081 - 2²² = 440374778999777 is a prime.

It is a super-2 number, since 2×440374783194081² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (440374783194083) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11796246 + ... + 31935888.

Almost surely, 2^{440374783194081} is an apocalyptic number.

It is an amenable number.

440374783194081 is a deficient number, since it is larger than the sum of its proper divisors (221393940119071).

440374783194081 is a wasteful number, since it uses less digits than its factorization.

440374783194081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20140294 (or 20140291 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 440374783194081 in words is "four hundred forty trillion, three hundred seventy-four billion, seven hundred eighty-three million, one hundred ninety-four thousand, eighty-one".