394611050652 has 144 divisors (see below), whose sum is σ = 1181613015072. Its totient is φ = 101534791680.

The previous prime is 394611050621. The next prime is 394611050657. The reversal of 394611050652 is 256050116493.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (394611050657) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 316153 + ... + 942960.

It is an arithmetic number, because the mean of its divisors is an integer number (8205645938).

Almost surely, 2^394611050652 is an apocalyptic number.

It is an amenable number.

394611050652 is an abundant number, since it is smaller than the sum of its proper divisors (787001964420).

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

394611050652 is a wasteful number, since it uses less digits than its factorization.

394611050652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259188 (or 1259179 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 394611050652 in words is "three hundred ninety-four billion, six hundred eleven million, fifty thousand, six hundred fifty-two".