405025542244 has 12 divisors (see below), whose sum is σ = 709219902384. Its totient is φ = 202391284424.

The previous prime is 405025542217. The next prime is 405025542247. The reversal of 405025542244 is 442245520504.

It is not an unprimeable number, because it can be changed into a prime (405025542247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30364174 + ... + 30377509.

It is an arithmetic number, because the mean of its divisors is an integer number (59101658532).

Almost surely, 2^405025542244 is an apocalyptic number.

It is an amenable number.

405025542244 is a deficient number, since it is larger than the sum of its proper divisors (304194360140).

405025542244 is a wasteful number, since it uses less digits than its factorization.

405025542244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60743354 (or 60743352 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 37.

The spelling of 405025542244 in words is "four hundred five billion, twenty-five million, five hundred forty-two thousand, two hundred forty-four".