356664440 has 96 divisors (see below), whose sum is σ = 897750000. Its totient is φ = 127395840.

The previous prime is 356664421. The next prime is 356664449. The reversal of 356664440 is 44466653.

It is a happy number.

It is a super-3 number, since 3×356664440³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 356664394 and 356664403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (356664449) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 284936 + ... + 286184.

Almost surely, 2^356664440 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 356664440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (448875000).

356664440 is an abundant number, since it is smaller than the sum of its proper divisors (541085560).

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

356664440 is a wasteful number, since it uses less digits than its factorization.

356664440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1341 (or 1326 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 356664440 is about 18885.5616808185. The cubic root of 356664440 is about 709.1747602911.

The spelling of 356664440 in words is "three hundred fifty-six million, six hundred sixty-four thousand, four hundred forty".