40204204442402 has 64 divisors (see below), whose sum is σ = 81026668929024. Its totient is φ = 14449061067840.

The previous prime is 40204204442399. The next prime is 40204204442417. The reversal of 40204204442402 is 20424440240204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4042298 + ... + 9836085.

It is an arithmetic number, because the mean of its divisors is an integer number (1266041702016).

Almost surely, 2^{40204204442402} is an apocalyptic number.

40204204442402 is an abundant number, since it is smaller than the sum of its proper divisors (40822464486622).

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

40204204442402 is a wasteful number, since it uses less digits than its factorization.

40204204442402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13879863.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40204204442402 its reverse (20424440240204), we get a palindrome (60628644682606).

The spelling of 40204204442402 in words is "forty trillion, two hundred four billion, two hundred four million, four hundred forty-two thousand, four hundred two".