395951203494 has 288 divisors, whose sum is σ = 1162160213760. Its totient is φ = 96056150400.

The previous prime is 395951203433. The next prime is 395951203499. The reversal of 395951203494 is 494302159593.

395951203494 is a `hidden beast` number, since 3 + 9 + 5 + 9 + 512 + 0 + 34 + 94 = 666.

It is a super-3 number, since 3×395951203494³ (a number of 36 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 395951203494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395951203499) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 13072872 + ... + 13103124.

It is an arithmetic number, because the mean of its divisors is an integer number (4035278520).

Almost surely, 2^395951203494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395951203494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (581080106880).

395951203494 is an abundant number, since it is smaller than the sum of its proper divisors (766209010266).

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

395951203494 is a wasteful number, since it uses less digits than its factorization.

395951203494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30376 (or 30366 counting only the distinct ones).

The product of its (nonzero) digits is 5248800, while the sum is 54.

The spelling of 395951203494 in words is "three hundred ninety-five billion, nine hundred fifty-one million, two hundred three thousand, four hundred ninety-four".