402404102 has 16 divisors (see below), whose sum is σ = 611115840. Its totient is φ = 198710568.

The previous prime is 402404089. The next prime is 402404111. The reversal of 402404102 is 201404204.

It is a super-2 number, since 2×402404102² = 323858122612852808, which contains 22 as substring.

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, 71549 + ... + 76967.

It is an arithmetic number, because the mean of its divisors is an integer number (38194740).

Almost surely, 2^402404102 is an apocalyptic number.

402404102 is a deficient number, since it is larger than the sum of its proper divisors (208711738).

402404102 is a wasteful number, since it uses less digits than its factorization.

402404102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 402404102 is about 20060.0125124587. The cubic root of 402404102 is about 738.2794835038.

Adding to 402404102 its reverse (201404204), we get a palindrome (603808306).

The spelling of 402404102 in words is "four hundred two million, four hundred four thousand, one hundred two".