40535231210 has 16 divisors (see below), whose sum is σ = 72974709000. Its totient is φ = 16211582976.

The previous prime is 40535231167. The next prime is 40535231213. The reversal of 40535231210 is 1213253504.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 34366856689 + 6168374521 = 185383^2 + 78539^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40535231210.

It is not an unprimeable number, because it can be changed into a prime (40535231213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245135 + ... + 375714.

Almost surely, 2^40535231210 is an apocalyptic number.

40535231210 is a deficient number, since it is larger than the sum of its proper divisors (32439477790).

40535231210 is a wasteful number, since it uses less digits than its factorization.

40535231210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627385.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 40535231210 its reverse (1213253504), we get a palindrome (41748484714).

The spelling of 40535231210 in words is "forty billion, five hundred thirty-five million, two hundred thirty-one thousand, two hundred ten".