40448788784403 has 16 divisors (see below), whose sum is σ = 54160038297600. Its totient is φ = 26851710332160.

The previous prime is 40448788784377. The next prime is 40448788784441. The reversal of 40448788784403 is 30448788784404.

It is not a de Polignac number, because 40448788784403 - 2¹⁶ = 40448788718867 is a prime.

It is a super-2 number, since 2×40448788784403² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40448788784203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13306083 + ... + 16060803.

It is an arithmetic number, because the mean of its divisors is an integer number (3385002393600).

Almost surely, 2^{40448788784403} is an apocalyptic number.

40448788784403 is a deficient number, since it is larger than the sum of its proper divisors (13711249513197).

40448788784403 is a wasteful number, since it uses less digits than its factorization.

40448788784403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775442.

The product of its (nonzero) digits is 616562688, while the sum is 69.

Subtracting from 40448788784403 its reverse (30448788784404), we obtain a palindrome (9999999999999).

The spelling of 40448788784403 in words is "forty trillion, four hundred forty-eight billion, seven hundred eighty-eight million, seven hundred eighty-four thousand, four hundred three".