395261021869056 has 132 divisors (see below), whose sum is σ = 1304351569280032. Its totient is φ = 112931720515584.

The previous prime is 395261021869027. The next prime is 395261021869111. The reversal of 395261021869056 is 650968120162593.

395261021869056 is a `hidden beast` number, since 3 + 9 + 5 + 2 + 610 + 2 + 1 + 8 + 6 + 9 + 0 + 5 + 6 = 666.

It is a super-2 number, since 2×395261021869056² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 395261021868984 and 395261021869002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3063404470 + ... + 3063533493.

Almost surely, 2^{395261021869056} is an apocalyptic number.

395261021869056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

395261021869056 is an abundant number, since it is smaller than the sum of its proper divisors (909090547410976).

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

395261021869056 is a wasteful number, since it uses less digits than its factorization.

395261021869056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6126937996 (or 6126937975 counting only the distinct ones).

The product of its (nonzero) digits is 41990400, while the sum is 63.

The spelling of 395261021869056 in words is "three hundred ninety-five trillion, two hundred sixty-one billion, twenty-one million, eight hundred sixty-nine thousand, fifty-six".