994418573652 has 72 divisors (see below), whose sum is σ = 2901208058112. Its totient is φ = 281306520000.

The previous prime is 994418573639. The next prime is 994418573653. The reversal of 994418573652 is 256375814499.

994418573652 is a `hidden beast` number, since 9 + 9 + 4 + 4 + 1 + 8 + 573 + 6 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 994418573652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (994418573653) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19509724 + ... + 19560627.

Almost surely, 2^994418573652 is an apocalyptic number.

It is an amenable number.

994418573652 is an abundant number, since it is smaller than the sum of its proper divisors (1906789484460).

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

994418573652 is a wasteful number, since it uses less digits than its factorization.

994418573652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39070469 (or 39070464 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The spelling of 994418573652 in words is "nine hundred ninety-four billion, four hundred eighteen million, five hundred seventy-three thousand, six hundred fifty-two".