395442312450 has 96 divisors (see below), whose sum is σ = 1015905602880. Its totient is φ = 101723212800.

The previous prime is 395442312439. The next prime is 395442312509. The reversal of 395442312450 is 54213244593.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 186117 + ... + 908583.

It is an arithmetic number, because the mean of its divisors is an integer number (10582350030).

Almost surely, 2^395442312450 is an apocalyptic number.

395442312450 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 395442312450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (507952801440).

395442312450 is an abundant number, since it is smaller than the sum of its proper divisors (620463290430).

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

395442312450 is a wasteful number, since it uses less digits than its factorization.

395442312450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 722612 (or 722607 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The spelling of 395442312450 in words is "three hundred ninety-five billion, four hundred forty-two million, three hundred twelve thousand, four hundred fifty".