352140032 has 18 divisors (see below), whose sum is σ = 702905028. Its totient is φ = 176069888.

The previous prime is 352140031. The next prime is 352140037. The reversal of 352140032 is 230041253.

It is a happy number.

It is a super-2 number, since 2×352140032² = 248005204273922048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 352139986 and 352140013.

It is not an unprimeable number, because it can be changed into a prime (352140031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687518 + ... + 688029.

Almost surely, 2^352140032 is an apocalyptic number.

352140032 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

352140032 is a deficient number, since it is larger than the sum of its proper divisors (350764996).

352140032 is an equidigital number, since it uses as much as digits as its factorization.

352140032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375563 (or 1375549 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 352140032 is about 18765.3945335556. The cubic root of 352140032 is about 706.1632837692.

Adding to 352140032 its reverse (230041253), we get a palindrome (582181285).

The spelling of 352140032 in words is "three hundred fifty-two million, one hundred forty thousand, thirty-two".