40010431220 has 12 divisors (see below), whose sum is σ = 84021905604. Its totient is φ = 16004172480.

The previous prime is 40010431217. The next prime is 40010431229. The reversal of 40010431220 is 2213401004.

It can be written as a sum of positive squares in 2 ways, for example, as 22806436324 + 17203994896 = 151018^2 + 131164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40010431229) 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 3 ways as a sum of consecutive naturals, for example, 1000260761 + ... + 1000260800.

It is an arithmetic number, because the mean of its divisors is an integer number (7001825467).

Almost surely, 2^40010431220 is an apocalyptic number.

It is an amenable number.

40010431220 is an abundant number, since it is smaller than the sum of its proper divisors (44011474384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40010431220 is a wasteful number, since it uses less digits than its factorization.

40010431220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000521570 (or 2000521568 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 40010431220 its reverse (2213401004), we get a palindrome (42223832224).

The spelling of 40010431220 in words is "forty billion, ten million, four hundred thirty-one thousand, two hundred twenty".