395452321140 has 96 divisors (see below), whose sum is σ = 1216219576320. Its totient is φ = 95560096896.

The previous prime is 395452321139. The next prime is 395452321169. The reversal of 395452321140 is 41123254593.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7514824 + ... + 7567263.

It is an arithmetic number, because the mean of its divisors is an integer number (12668953920).

Almost surely, 2^395452321140 is an apocalyptic number.

395452321140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

395452321140 is an abundant number, since it is smaller than the sum of its proper divisors (820767255180).

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

395452321140 is a wasteful number, since it uses less digits than its factorization.

395452321140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15082141 (or 15082139 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 395452321140 in words is "three hundred ninety-five billion, four hundred fifty-two million, three hundred twenty-one thousand, one hundred forty".