402200120142 has 20 divisors (see below), whose sum is σ = 901226195496. Its totient is φ = 134066706660.

The previous prime is 402200120137. The next prime is 402200120171. The reversal of 402200120142 is 241021002204.

402200120142 is a `hidden beast` number, since 402 + 2 + 0 + 0 + 120 + 142 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1241358234 + ... + 1241358557.

Almost surely, 2^402200120142 is an apocalyptic number.

402200120142 is an abundant number, since it is smaller than the sum of its proper divisors (499026075354).

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

402200120142 is a wasteful number, since it uses less digits than its factorization.

402200120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482716805 (or 2482716796 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 402200120142 its reverse (241021002204), we get a palindrome (643221122346).

The spelling of 402200120142 in words is "four hundred two billion, two hundred million, one hundred twenty thousand, one hundred forty-two".