401773600056 has 32 divisors (see below), whose sum is σ = 1010596181760. Its totient is φ = 133102909152.

The previous prime is 401773600051. The next prime is 401773600061. The reversal of 401773600056 is 650006377104.

It is an interprime number because it is at equal distance from previous prime (401773600051) and next prime (401773600061).

It is a super-2 number, since 2×401773600056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401773599987 and 401773600023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401773600051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51347520 + ... + 51355343.

It is an arithmetic number, because the mean of its divisors is an integer number (31581130680).

Almost surely, 2^401773600056 is an apocalyptic number.

It is an amenable number.

401773600056 is an abundant number, since it is smaller than the sum of its proper divisors (608822581704).

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

401773600056 is a wasteful number, since it uses less digits than its factorization.

401773600056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102703035 (or 102703031 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 401773600056 in words is "four hundred one billion, seven hundred seventy-three million, six hundred thousand, fifty-six".