404213011440442 has 16 divisors (see below), whose sum is σ = 609672185950464. Its totient is φ = 200988959850000.

The previous prime is 404213011440437. The next prime is 404213011440451. The reversal of 404213011440442 is 244044110312404.

It is a junction number, because it is equal to n+sod(n) for n = 404213011440398 and 404213011440407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78816067 + ... + 83787817.

It is an arithmetic number, because the mean of its divisors is an integer number (38104511621904).

Almost surely, 2^{404213011440442} is an apocalyptic number.

404213011440442 is a deficient number, since it is larger than the sum of its proper divisors (205459174510022).

404213011440442 is a wasteful number, since it uses less digits than its factorization.

404213011440442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5196525.

The product of its (nonzero) digits is 49152, while the sum is 34.

Adding to 404213011440442 its reverse (244044110312404), we get a palindrome (648257121752846).

The spelling of 404213011440442 in words is "four hundred four trillion, two hundred thirteen billion, eleven million, four hundred forty thousand, four hundred forty-two".