404024142402 has 16 divisors (see below), whose sum is σ = 897831427680. Its totient is φ = 134674714116.

The previous prime is 404024142383. The next prime is 404024142407. The reversal of 404024142402 is 204241420404.

404024142402 is a `hidden beast` number, since 4 + 0 + 4 + 0 + 2 + 414 + 240 + 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 (404024142407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3740964228 + ... + 3740964335.

It is an arithmetic number, because the mean of its divisors is an integer number (56114464230).

Almost surely, 2^404024142402 is an apocalyptic number.

404024142402 is an abundant number, since it is smaller than the sum of its proper divisors (493807285278).

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

404024142402 is a wasteful number, since it uses less digits than its factorization.

404024142402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7481928574 (or 7481928568 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 404024142402 its reverse (204241420404), we get a palindrome (608265562806).

The spelling of 404024142402 in words is "four hundred four billion, twenty-four million, one hundred forty-two thousand, four hundred two".