352401440 has 48 divisors (see below), whose sum is σ = 834138648. Its totient is φ = 140691456.

The previous prime is 352401421. The next prime is 352401443. The reversal of 352401440 is 44104253.

It can be written as a sum of positive squares in 4 ways, for example, as 128958736 + 223442704 = 11356^2 + 14948^2 .

It is not an unprimeable number, because it can be changed into a prime (352401443) 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, 96284 + ... + 99876.

Almost surely, 2^352401440 is an apocalyptic number.

It is an amenable number.

352401440 is an abundant number, since it is smaller than the sum of its proper divisors (481737208).

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

352401440 is a wasteful number, since it uses less digits than its factorization.

352401440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4221 (or 4213 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 352401440 is about 18772.3584027154. The cubic root of 352401440 is about 706.3379785458.

Adding to 352401440 its reverse (44104253), we get a palindrome (396505693).

The spelling of 352401440 in words is "three hundred fifty-two million, four hundred one thousand, four hundred forty".