402142110 has 32 divisors (see below), whose sum is σ = 967351680. Its totient is φ = 106992288.

The previous prime is 402142109. The next prime is 402142121. The reversal of 402142110 is 11241204.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 402142110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1840 + ... + 28419.

It is an arithmetic number, because the mean of its divisors is an integer number (30229740).

Almost surely, 2^402142110 is an apocalyptic number.

402142110 is an abundant number, since it is smaller than the sum of its proper divisors (565209570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402142110 is a wasteful number, since it uses less digits than its factorization.

402142110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30712.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 402142110 is about 20053.4812439137. The cubic root of 402142110 is about 738.1192256023.

Adding to 402142110 its reverse (11241204), we get a palindrome (413383314).

It can be divided in two parts, 40214 and 2110, that added together give a palindrome (42324).

The spelling of 402142110 in words is "four hundred two million, one hundred forty-two thousand, one hundred ten".