40450142215 has 16 divisors (see below), whose sum is σ = 55526425920. Its totient is φ = 27711267840.

The previous prime is 40450142203. The next prime is 40450142221. The reversal of 40450142215 is 51224105404.

It is not a de Polignac number, because 40450142215 - 2¹⁷ = 40450011143 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503146 + ... + 577975.

It is an arithmetic number, because the mean of its divisors is an integer number (3470401620).

Almost surely, 2^40450142215 is an apocalyptic number.

40450142215 is a deficient number, since it is larger than the sum of its proper divisors (15076283705).

40450142215 is a wasteful number, since it uses less digits than its factorization.

40450142215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082202.

The product of its (nonzero) digits is 6400, while the sum is 28.

Adding to 40450142215 its reverse (51224105404), we get a palindrome (91674247619).

The spelling of 40450142215 in words is "forty billion, four hundred fifty million, one hundred forty-two thousand, two hundred fifteen".