395653106640 has 160 divisors (see below), whose sum is σ = 1381189312512. Its totient is φ = 92821824000.

The previous prime is 395653106627. The next prime is 395653106663. The reversal of 395653106640 is 46601356593.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 395653106640.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2335396 + ... + 2499075.

Almost surely, 2^395653106640 is an apocalyptic number.

395653106640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

395653106640 is an abundant number, since it is smaller than the sum of its proper divisors (985536205872).

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

395653106640 is a wasteful number, since it uses less digits than its factorization.

395653106640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834529 (or 4834523 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 48.

The spelling of 395653106640 in words is "three hundred ninety-five billion, six hundred fifty-three million, one hundred six thousand, six hundred forty".