395020413940 has 24 divisors (see below), whose sum is σ = 830397228192. Its totient is φ = 157845430560.

The previous prime is 395020413937. The next prime is 395020414001. The reversal of 395020413940 is 49314020593.

It is a super-2 number, since 2×395020413940² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 395020413893 and 395020413902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10151034 + ... + 10189873.

It is an arithmetic number, because the mean of its divisors is an integer number (34599884508).

Almost surely, 2^395020413940 is an apocalyptic number.

It is an amenable number.

395020413940 is an abundant number, since it is smaller than the sum of its proper divisors (435376814252).

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

395020413940 is a wasteful number, since it uses less digits than its factorization.

395020413940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20341887 (or 20341885 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The spelling of 395020413940 in words is "three hundred ninety-five billion, twenty million, four hundred thirteen thousand, nine hundred forty".