395401766028 has 48 divisors (see below), whose sum is σ = 923890971360. Its totient is φ = 131616866304.

The previous prime is 395401766027. The next prime is 395401766057. The reversal of 395401766028 is 820667104593.

It is a super-2 number, since 2×395401766028² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (395401766027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40108876 + ... + 40118732.

It is an arithmetic number, because the mean of its divisors is an integer number (19247728570).

It is a 1-persistent number, because it is pandigital, but 2⋅395401766028 = 790803532056 is not.

Almost surely, 2^395401766028 is an apocalyptic number.

It is an amenable number.

395401766028 is an abundant number, since it is smaller than the sum of its proper divisors (528489205332).

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

395401766028 is a wasteful number, since it uses less digits than its factorization.

395401766028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14186 (or 14184 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 395401766028 in words is "three hundred ninety-five billion, four hundred one million, seven hundred sixty-six thousand, twenty-eight".