204240042402 has 32 divisors (see below), whose sum is σ = 457658282304. Its totient is φ = 60218193600.

The previous prime is 204240042379. The next prime is 204240042443.

204240042402 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41815749 + ... + 41820632.

It is an arithmetic number, because the mean of its divisors is an integer number (14301821322).

Almost surely, 2^204240042402 is an apocalyptic number.

204240042402 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

204240042402 is an abundant number, since it is smaller than the sum of its proper divisors (253418239902).

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

204240042402 is a wasteful number, since it uses less digits than its factorization.

204240042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83636434.

The product of its (nonzero) digits is 4096, while the sum is 24.

It can be divided in two parts, 2042400 and 42402, that added together give a palindrome (2084802).

The spelling of 204240042402 in words is "two hundred four billion, two hundred forty million, forty-two thousand, four hundred two".