234402042402 has 48 divisors (see below), whose sum is σ = 572552295840. Its totient is φ = 71030919960.

The previous prime is 234402042383. The next prime is 234402042409. The reversal of 234402042402 is 204240204432.

234402042402 is a `hidden beast` number, since 234 + 4 + 0 + 2 + 0 + 424 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (234402042409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17930568 + ... + 17943635.

It is an arithmetic number, because the mean of its divisors is an integer number (11928172830).

Almost surely, 2^234402042402 is an apocalyptic number.

234402042402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

234402042402 is an abundant number, since it is smaller than the sum of its proper divisors (338150253438).

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

234402042402 is a wasteful number, since it uses less digits than its factorization.

234402042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35874236 (or 35874219 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 234402042402 its reverse (204240204432), we get a palindrome (438642246834).

The spelling of 234402042402 in words is "two hundred thirty-four billion, four hundred two million, forty-two thousand, four hundred two".