395497390080 has 240 divisors, whose sum is σ = 1362914267904. Its totient is φ = 97352417280.

The previous prime is 395497390061. The next prime is 395497390097. The reversal of 395497390080 is 80093794593.

It is a tau number, because it is divible by the number of its divisors (240).

It is a self number, because there is not a number n which added to its sum of digits gives 395497390080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3132985 + ... + 3256775.

Almost surely, 2^395497390080 is an apocalyptic number.

395497390080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 395497390080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (681457133952).

395497390080 is an abundant number, since it is smaller than the sum of its proper divisors (967416877824).

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

395497390080 is a wasteful number, since it uses less digits than its factorization.

395497390080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123840 (or 123814 counting only the distinct ones).

The product of its (nonzero) digits is 7348320, while the sum is 57.

The spelling of 395497390080 in words is "three hundred ninety-five billion, four hundred ninety-seven million, three hundred ninety thousand, eighty".