402110142 has 32 divisors (see below), whose sum is σ = 920131584. Its totient is φ = 114760800.

The previous prime is 402110141. The next prime is 402110147. The reversal of 402110142 is 241011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402110141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36792 + ... + 46452.

It is an arithmetic number, because the mean of its divisors is an integer number (28754112).

Almost surely, 2^402110142 is an apocalyptic number.

402110142 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

402110142 is an abundant number, since it is smaller than the sum of its proper divisors (518021442).

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

402110142 is a wasteful number, since it uses less digits than its factorization.

402110142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10664.

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

The square root of 402110142 is about 20052.6841594835. The cubic root of 402110142 is about 738.0996663304.

Adding to 402110142 its reverse (241011204), we get a palindrome (643121346).

The spelling of 402110142 in words is "four hundred two million, one hundred ten thousand, one hundred forty-two".