352633440 has 48 divisors (see below), whose sum is σ = 1110796848. Its totient is φ = 94035456.

The previous prime is 352633423. The next prime is 352633441. The reversal of 352633440 is 44336253.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 352633398 and 352633407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352633441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366847 + ... + 367806.

It is an arithmetic number, because the mean of its divisors is an integer number (23141601).

Almost surely, 2^352633440 is an apocalyptic number.

352633440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352633440 is an abundant number, since it is smaller than the sum of its proper divisors (758163408).

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

352633440 is a wasteful number, since it uses less digits than its factorization.

352633440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734671 (or 734663 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 352633440 is about 18778.5366842041. The cubic root of 352633440 is about 706.4929480822.

Adding to 352633440 its reverse (44336253), we get a palindrome (396969693).

The spelling of 352633440 in words is "three hundred fifty-two million, six hundred thirty-three thousand, four hundred forty".