395755140 has 48 divisors (see below), whose sum is σ = 1208854080. Its totient is φ = 95940480.

The previous prime is 395755133. The next prime is 395755147. The reversal of 395755140 is 41557593.

It is an interprime number because it is at equal distance from previous prime (395755133) and next prime (395755147).

It is not an unprimeable number, because it can be changed into a prime (395755147) 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, 299155 + ... + 300474.

It is an arithmetic number, because the mean of its divisors is an integer number (25184460).

Almost surely, 2^395755140 is an apocalyptic number.

395755140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

395755140 is an abundant number, since it is smaller than the sum of its proper divisors (813098940).

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

395755140 is a wasteful number, since it uses less digits than its factorization.

395755140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599652 (or 599650 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 395755140 is about 19893.5954518031. The cubic root of 395755140 is about 734.1906589430.

The spelling of 395755140 in words is "three hundred ninety-five million, seven hundred fifty-five thousand, one hundred forty".