402010102 has 24 divisors (see below), whose sum is σ = 654386040. Its totient is φ = 185140800.

The previous prime is 402010099. The next prime is 402010109. The reversal of 402010102 is 201010204.

It is a super-2 number, since 2×402010102² = 323224244220100808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402010109) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202149 + ... + 204127.

It is an arithmetic number, because the mean of its divisors is an integer number (27266085).

Almost surely, 2^402010102 is an apocalyptic number.

402010102 is a deficient number, since it is larger than the sum of its proper divisors (252375938).

402010102 is a wasteful number, since it uses less digits than its factorization.

402010102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608 (or 2595 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 402010102 is about 20050.1895751636. The cubic root of 402010102 is about 738.0384512492.

Adding to 402010102 its reverse (201010204), we get a palindrome (603020306).

The spelling of 402010102 in words is "four hundred two million, ten thousand, one hundred two".