356426240 has 80 divisors (see below), whose sum is σ = 884240280. Its totient is φ = 137625600.

The previous prime is 356426201. The next prime is 356426321. The reversal of 356426240 is 42624653.

It can be written as a sum of positive squares in 4 ways, for example, as 299151616 + 57274624 = 17296^2 + 7568^2 .

It is a tau number, because it is divible by the number of its divisors (80).

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

It is a junction number, because it is equal to n+sod(n) for n = 356426197 and 356426206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71840 + ... + 76640.

Almost surely, 2^356426240 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 356426240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (442120140).

356426240 is an abundant number, since it is smaller than the sum of its proper divisors (527814040).

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

356426240 is an equidigital number, since it uses as much as digits as its factorization.

356426240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4853 (or 4837 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 356426240 is about 18879.2542225587. The cubic root of 356426240 is about 709.0168499148.

The spelling of 356426240 in words is "three hundred fifty-six million, four hundred twenty-six thousand, two hundred forty".