402240352 has 24 divisors (see below), whose sum is σ = 794726856. Its totient is φ = 200404992.

The previous prime is 402240343. The next prime is 402240359. The reversal of 402240352 is 253042204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402240359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13153 + ... + 31264.

It is an arithmetic number, because the mean of its divisors is an integer number (33113619).

Almost surely, 2^402240352 is an apocalyptic number.

It is an amenable number.

402240352 is a deficient number, since it is larger than the sum of its proper divisors (392486504).

402240352 is a wasteful number, since it uses less digits than its factorization.

402240352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44710 (or 44702 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 402240352 is about 20055.9305942158. The cubic root of 402240352 is about 738.1793274112.

Adding to 402240352 its reverse (253042204), we get a palindrome (655282556).

The spelling of 402240352 in words is "four hundred two million, two hundred forty thousand, three hundred fifty-two".