395632140 has 48 divisors (see below), whose sum is σ = 1110412800. Its totient is φ = 105250240.

The previous prime is 395632103. The next prime is 395632147. The reversal of 395632140 is 41236593.

It is not an unprimeable number, because it can be changed into a prime (395632147) 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, 18211 + ... + 33509.

It is an arithmetic number, because the mean of its divisors is an integer number (23133600).

Almost surely, 2^395632140 is an apocalyptic number.

395632140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

395632140 is an abundant number, since it is smaller than the sum of its proper divisors (714780660).

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

395632140 is a wasteful number, since it uses less digits than its factorization.

395632140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15742 (or 15740 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 395632140 is about 19890.5037643595. The cubic root of 395632140 is about 734.1145893408.

The spelling of 395632140 in words is "three hundred ninety-five million, six hundred thirty-two thousand, one hundred forty".