354896578512 has 120 divisors (see below), whose sum is σ = 1137277786944. Its totient is φ = 101204992512.

The previous prime is 354896578501. The next prime is 354896578513. The reversal of 354896578512 is 215875698453.

354896578512 is a `hidden beast` number, since 3 + 5 + 4 + 8 + 9 + 6 + 578 + 51 + 2 = 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 354896578512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354896578513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190588 + ... + 863780.

Almost surely, 2^354896578512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354896578512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568638893472).

354896578512 is an abundant number, since it is smaller than the sum of its proper divisors (782381208432).

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

354896578512 is a wasteful number, since it uses less digits than its factorization.

354896578512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673737 (or 673728 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 63.

The spelling of 354896578512 in words is "three hundred fifty-four billion, eight hundred ninety-six million, five hundred seventy-eight thousand, five hundred twelve".