352704240 has 160 divisors (see below), whose sum is σ = 1388482560. Its totient is φ = 80614656.

The previous prime is 352704227. The next prime is 352704251. The reversal of 352704240 is 42407253.

352704240 is a `hidden beast` number, since 352 + 70 + 4 + 240 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3457 + ... + 26783.

It is an arithmetic number, because the mean of its divisors is an integer number (8678016).

Almost surely, 2^352704240 is an apocalyptic number.

352704240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 352704240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (694241280).

352704240 is an abundant number, since it is smaller than the sum of its proper divisors (1035778320).

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

352704240 is a wasteful number, since it uses less digits than its factorization.

352704240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23356 (or 23344 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 352704240 is about 18780.4217205046. The cubic root of 352704240 is about 706.5402269728.

The spelling of 352704240 in words is "three hundred fifty-two million, seven hundred four thousand, two hundred forty".