441640405442 has 32 divisors (see below), whose sum is σ = 689630094720. Its totient is φ = 211860673920.

The previous prime is 441640405439. The next prime is 441640405463. The reversal of 441640405442 is 244504046144.

It is a junction number, because it is equal to n+sod(n) for n = 441640405396 and 441640405405.

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, 43010393 + ... + 43020659.

It is an arithmetic number, because the mean of its divisors is an integer number (21550940460).

Almost surely, 2^441640405442 is an apocalyptic number.

441640405442 is a deficient number, since it is larger than the sum of its proper divisors (247989689278).

441640405442 is a wasteful number, since it uses less digits than its factorization.

441640405442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14906.

The product of its (nonzero) digits is 245760, while the sum is 38.

The spelling of 441640405442 in words is "four hundred forty-one billion, six hundred forty million, four hundred five thousand, four hundred forty-two".