402025352 has 16 divisors (see below), whose sum is σ = 768020940. Its totient is φ = 197219776.

The previous prime is 402025331. The next prime is 402025363. The reversal of 402025352 is 253520204.

It can be written as a sum of positive squares in 2 ways, for example, as 320195236 + 81830116 = 17894^2 + 9046^2 .

It is an unprimeable number.

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, 473663 + ... + 474510.

Almost surely, 2^402025352 is an apocalyptic number.

It is an amenable number.

402025352 is a deficient number, since it is larger than the sum of its proper divisors (365995588).

402025352 is a wasteful number, since it uses less digits than its factorization.

402025352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948232 (or 948228 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 402025352 is about 20050.5698672133. The cubic root of 402025352 is about 738.0477834725.

Adding to 402025352 its reverse (253520204), we get a palindrome (655545556).

It can be divided in two parts, 40202 and 5352, that added together give a palindrome (45554).

The spelling of 402025352 in words is "four hundred two million, twenty-five thousand, three hundred fifty-two".