395448619740 has 96 divisors (see below), whose sum is σ = 1146305986560. Its totient is φ = 101795406336.

The previous prime is 395448619739. The next prime is 395448619757. The reversal of 395448619740 is 47916844593.

It is a super-2 number, since 2×395448619740² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 754620 + ... + 1166339.

It is an arithmetic number, because the mean of its divisors is an integer number (11940687360).

Almost surely, 2^395448619740 is an apocalyptic number.

395448619740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

395448619740 is an abundant number, since it is smaller than the sum of its proper divisors (750857366820).

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

395448619740 is a wasteful number, since it uses less digits than its factorization.

395448619740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1921091 (or 1921089 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 60.

The spelling of 395448619740 in words is "three hundred ninety-five billion, four hundred forty-eight million, six hundred nineteen thousand, seven hundred forty".