4405605043056 has 160 divisors (see below), whose sum is σ = 13218833940480. Its totient is φ = 1238373572352.

The previous prime is 4405605043043. The next prime is 4405605043061. The reversal of 4405605043056 is 6503405065044.

It is a super-2 number, since 2×4405605043056² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 4405605042999 and 4405605043017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6334741 + ... + 6995723.

It is an arithmetic number, because the mean of its divisors is an integer number (82617712128).

Almost surely, 2^{4405605043056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4405605043056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6609416970240).

4405605043056 is an abundant number, since it is smaller than the sum of its proper divisors (8813228897424).

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

4405605043056 is a wasteful number, since it uses less digits than its factorization.

4405605043056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661323 (or 661317 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 4405605043056 in words is "four trillion, four hundred five billion, six hundred five million, forty-three thousand, fifty-six".