352255440 has 80 divisors (see below), whose sum is σ = 1149480000. Its totient is φ = 88989696.

The previous prime is 352255439. The next prime is 352255447. The reversal of 352255440 is 44552253.

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 = 352255398 and 352255407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352255447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34065 + ... + 43184.

It is an arithmetic number, because the mean of its divisors is an integer number (14368500).

Almost surely, 2^352255440 is an apocalyptic number.

352255440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

352255440 is an abundant number, since it is smaller than the sum of its proper divisors (797224560).

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

352255440 is a wasteful number, since it uses less digits than its factorization.

352255440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77284 (or 77278 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 352255440 is about 18768.4693035953. The cubic root of 352255440 is about 706.2404197411.

The spelling of 352255440 in words is "three hundred fifty-two million, two hundred fifty-five thousand, four hundred forty".