402002302 has 16 divisors (see below), whose sum is σ = 652115520. Its totient is φ = 184760352.

The previous prime is 402002287. The next prime is 402002311. The reversal of 402002302 is 203200204.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26133 + ... + 38560.

It is an arithmetic number, because the mean of its divisors is an integer number (40757220).

Almost surely, 2^402002302 is an apocalyptic number.

402002302 is a deficient number, since it is larger than the sum of its proper divisors (250113218).

402002302 is a wasteful number, since it uses less digits than its factorization.

402002302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64947.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 402002302 is about 20049.9950623435. The cubic root of 402002302 is about 738.0336779553.

Adding to 402002302 its reverse (203200204), we get a palindrome (605202506).

The spelling of 402002302 in words is "four hundred two million, two thousand, three hundred two".