40445215503 has 32 divisors (see below), whose sum is σ = 67299213312. Its totient is φ = 20989999200.

The previous prime is 40445215441. The next prime is 40445215537. The reversal of 40445215503 is 30551254404.

It is not a de Polignac number, because 40445215503 - 2⁸ = 40445215247 is a prime.

It is a super-2 number, since 2×40445215503² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40445215553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153250 + ... + 323072.

It is an arithmetic number, because the mean of its divisors is an integer number (2103100416).

Almost surely, 2^40445215503 is an apocalyptic number.

40445215503 is a deficient number, since it is larger than the sum of its proper divisors (26853997809).

40445215503 is a wasteful number, since it uses less digits than its factorization.

40445215503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170875.

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 40445215503 its reverse (30551254404), we get a palindrome (70996469907).

The spelling of 40445215503 in words is "forty billion, four hundred forty-five million, two hundred fifteen thousand, five hundred three".