385476472056 has 128 divisors (see below), whose sum is σ = 1049133496320. Its totient is φ = 117316767744.

The previous prime is 385476472039. The next prime is 385476472079. The reversal of 385476472056 is 650274674583.

It is a happy number.

It is a super-2 number, since 2×385476472056² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 385476471987 and 385476472005.

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, 80590641 + ... + 80595423.

It is an arithmetic number, because the mean of its divisors is an integer number (8196355440).

Almost surely, 2^385476472056 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 385476472056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524566748160).

385476472056 is an abundant number, since it is smaller than the sum of its proper divisors (663657024264).

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

385476472056 is a wasteful number, since it uses less digits than its factorization.

385476472056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7565 (or 7561 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 57.

The spelling of 385476472056 in words is "three hundred eighty-five billion, four hundred seventy-six million, four hundred seventy-two thousand, fifty-six".