395408022378 has 32 divisors (see below), whose sum is σ = 837447564096. Its totient is φ = 124032845568.

The previous prime is 395408022367. The next prime is 395408022379. The reversal of 395408022378 is 873220804593.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a self number, because there is not a number n which added to its sum of digits gives 395408022378.

It is not an unprimeable number, because it can be changed into a prime (395408022379) 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, 509700 + ... + 1024992.

It is an arithmetic number, because the mean of its divisors is an integer number (26170236378).

Almost surely, 2^395408022378 is an apocalyptic number.

395408022378 is an abundant number, since it is smaller than the sum of its proper divisors (442039541718).

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

395408022378 is a wasteful number, since it uses less digits than its factorization.

395408022378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522838.

The product of its (nonzero) digits is 2903040, while the sum is 51.

The spelling of 395408022378 in words is "three hundred ninety-five billion, four hundred eight million, twenty-two thousand, three hundred seventy-eight".