440011404477 has 12 divisors (see below), whose sum is σ = 652749651580. Its totient is φ = 285412802688.

The previous prime is 440011404451. The next prime is 440011404491. The reversal of 440011404477 is 774404110044.

440011404477 is a `hidden beast` number, since 4 + 40 + 0 + 1 + 140 + 4 + 477 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 416249490276 + 23761914201 = 645174^2 + 154149^2 .

It is not a de Polignac number, because 440011404477 - 2²⁰ = 440010355901 is a prime.

It is a super-2 number, since 2×440011404477² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440011404377) 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, 660677452 + ... + 660678117.

Almost surely, 2^440011404477 is an apocalyptic number.

It is an amenable number.

440011404477 is a deficient number, since it is larger than the sum of its proper divisors (212738247103).

440011404477 is a wasteful number, since it uses less digits than its factorization.

440011404477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321355612 (or 1321355609 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 36.

The spelling of 440011404477 in words is "four hundred forty billion, eleven million, four hundred four thousand, four hundred seventy-seven".