395441140 has 12 divisors (see below), whose sum is σ = 830426436. Its totient is φ = 158176448.

The previous prime is 395441119. The next prime is 395441143. The reversal of 395441140 is 41144593.

It can be written as a sum of positive squares in 2 ways, for example, as 81938704 + 313502436 = 9052^2 + 17706^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395441143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9886009 + ... + 9886048.

It is an arithmetic number, because the mean of its divisors is an integer number (69202203).

Almost surely, 2^395441140 is an apocalyptic number.

It is an amenable number.

395441140 is an abundant number, since it is smaller than the sum of its proper divisors (434985296).

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

395441140 is a wasteful number, since it uses less digits than its factorization.

395441140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19772066 (or 19772064 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 395441140 is about 19885.7018986004. The cubic root of 395441140 is about 733.9964337424.

The spelling of 395441140 in words is "three hundred ninety-five million, four hundred forty-one thousand, one hundred forty".