4040405525776 has 45 divisors (see below), whose sum is σ = 7929878902533. Its totient is φ = 1994317004160.

The previous prime is 4040405525747. The next prime is 4040405525791. The reversal of 4040405525776 is 6775255040404.

The square root of 4040405525776 is 2010076.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 997753263376 + 3042652262400 = 998876^2 + 1744320^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 635180836 + ... + 635187196.

Almost surely, 2^{4040405525776} is an apocalyptic number.

4040405525776 is the 2010076-th square number.

It is an amenable number.

4040405525776 is a deficient number, since it is larger than the sum of its proper divisors (3889473376757).

4040405525776 is an frugal number, since it uses more digits than its factorization.

4040405525776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12888 (or 6442 counting only the distinct ones).

The product of its (nonzero) digits is 4704000, while the sum is 49.

Multiplying 4040405525776 by its sum of digits (49), we get a square (197979870763024 = 14070532²).

The spelling of 4040405525776 in words is "four trillion, forty billion, four hundred five million, five hundred twenty-five thousand, seven hundred seventy-six".