352644240 has 80 divisors (see below), whose sum is σ = 1177299648. Its totient is φ = 86803968.

The previous prime is 352644223. The next prime is 352644269. The reversal of 352644240 is 42446253.

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 (30).

It is a junction number, because it is equal to n+sod(n) for n = 352644198 and 352644207.

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 15 ways as a sum of consecutive naturals, for example, 53394 + ... + 59633.

Almost surely, 2^352644240 is an apocalyptic number.

352644240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352644240 is an abundant number, since it is smaller than the sum of its proper divisors (824655408).

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

352644240 is a wasteful number, since it uses less digits than its factorization.

352644240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113056 (or 113050 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

The square root of 352644240 is about 18778.8242443450. The cubic root of 352644240 is about 706.5001605253.

The spelling of 352644240 in words is "three hundred fifty-two million, six hundred forty-four thousand, two hundred forty".