352421550666630 has 128 divisors (see below), whose sum is σ = 942791146813440. Its totient is φ = 93679142768640.

The previous prime is 352421550666569. The next prime is 352421550666631. The reversal of 352421550666630 is 36666055124253.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352421550666631) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 527217094 + ... + 527885126.

It is an arithmetic number, because the mean of its divisors is an integer number (7365555834480).

Almost surely, 2^{352421550666630} is an apocalyptic number.

352421550666630 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 352421550666630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471395573406720).

352421550666630 is an abundant number, since it is smaller than the sum of its proper divisors (590369596146810).

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

352421550666630 is a wasteful number, since it uses less digits than its factorization.

352421550666630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674283 (or 674277 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 54.

The spelling of 352421550666630 in words is "three hundred fifty-two trillion, four hundred twenty-one billion, five hundred fifty million, six hundred sixty-six thousand, six hundred thirty".