402014142 has 24 divisors (see below), whose sum is σ = 874945344. Its totient is φ = 133402464.

The previous prime is 402014101. The next prime is 402014161. The reversal of 402014142 is 241410204.

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 11 ways as a sum of consecutive naturals, for example, 46063 + ... + 54090.

It is an arithmetic number, because the mean of its divisors is an integer number (36456056).

Almost surely, 2^402014142 is an apocalyptic number.

402014142 is an abundant number, since it is smaller than the sum of its proper divisors (472931202).

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

402014142 is a wasteful number, since it uses less digits than its factorization.

402014142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100384 (or 100381 counting only the distinct ones).

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

The square root of 402014142 is about 20050.2903220876. The cubic root of 402014142 is about 738.0409235464.

Adding to 402014142 its reverse (241410204), we get a palindrome (643424346).

The spelling of 402014142 in words is "four hundred two million, fourteen thousand, one hundred forty-two".