353203403072 has 28 divisors (see below), whose sum is σ = 754802466516. Its totient is φ = 163016954880.

The previous prime is 353203403017. The next prime is 353203403183. The reversal of 353203403072 is 270304302353.

It can be written as a sum of positive squares in 2 ways, for example, as 41053243456 + 312150159616 = 202616^2 + 558704^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212260829 + ... + 212262492.

It is an arithmetic number, because the mean of its divisors is an integer number (26957230947).

Almost surely, 2^353203403072 is an apocalyptic number.

353203403072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

353203403072 is an abundant number, since it is smaller than the sum of its proper divisors (401599063444).

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

353203403072 is a wasteful number, since it uses less digits than its factorization.

353203403072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424523346 (or 424523336 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 32.

The spelling of 353203403072 in words is "three hundred fifty-three billion, two hundred three million, four hundred three thousand, seventy-two".