40505031303 has 32 divisors (see below), whose sum is σ = 61105496064. Its totient is φ = 23643900000.

The previous prime is 40505031271. The next prime is 40505031311. The reversal of 40505031303 is 30313050504.

It is a happy number.

It is not a de Polignac number, because 40505031303 - 2⁵ = 40505031271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40505031323) 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 31 ways as a sum of consecutive naturals, for example, 122028 + ... + 309678.

It is an arithmetic number, because the mean of its divisors is an integer number (1909546752).

Almost surely, 2^40505031303 is an apocalyptic number.

40505031303 is a deficient number, since it is larger than the sum of its proper divisors (20600464761).

40505031303 is a wasteful number, since it uses less digits than its factorization.

40505031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187907.

The product of its (nonzero) digits is 2700, while the sum is 24.

Adding to 40505031303 its reverse (30313050504), we get a palindrome (70818081807).

The spelling of 40505031303 in words is "forty billion, five hundred five million, thirty-one thousand, three hundred three".