403727842056 has 192 divisors, whose sum is σ = 1308807843840. Its totient is φ = 101481494400.

The previous prime is 403727841977. The next prime is 403727842057. The reversal of 403727842056 is 650248727304.

It is a junction number, because it is equal to n+sod(n) for n = 403727841996 and 403727842014.

It is not an unprimeable number, because it can be changed into a prime (403727842057) 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, 309835 + ... + 950501.

It is an arithmetic number, because the mean of its divisors is an integer number (6816707520).

Almost surely, 2^403727842056 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 403727842056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (654403921920).

403727842056 is an abundant number, since it is smaller than the sum of its proper divisors (905080001784).

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

403727842056 is a wasteful number, since it uses less digits than its factorization.

403727842056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 640736 (or 640721 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 403727842056 in words is "four hundred three billion, seven hundred twenty-seven million, eight hundred forty-two thousand, fifty-six".