395853940734 has 128 divisors (see below), whose sum is σ = 938604257280. Its totient is φ = 108958621824.

The previous prime is 395853940679. The next prime is 395853940777. The reversal of 395853940734 is 437049358593.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 190039257 + ... + 190041339.

It is an arithmetic number, because the mean of its divisors is an integer number (7332845760).

Almost surely, 2^395853940734 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395853940734, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (469302128640).

395853940734 is an abundant number, since it is smaller than the sum of its proper divisors (542750316546).

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

395853940734 is a wasteful number, since it uses less digits than its factorization.

395853940734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3654.

The product of its (nonzero) digits is 48988800, while the sum is 60.

The spelling of 395853940734 in words is "three hundred ninety-five billion, eight hundred fifty-three million, nine hundred forty thousand, seven hundred thirty-four".