40010221313 has 4 divisors (see below), whose sum is σ = 40109997828. Its totient is φ = 39910444800.

The previous prime is 40010221301. The next prime is 40010221333. The reversal of 40010221313 is 31312201004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 20400980224 + 19609241089 = 142832^2 + 140033^2 .

It is a cyclic number.

It is not a de Polignac number, because 40010221313 - 2⁸ = 40010221057 is a prime.

It is a super-3 number, since 3×40010221313³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40010221291 and 40010221300.

It is not an unprimeable number, because it can be changed into a prime (40010221333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49887656 + ... + 49888457.

It is an arithmetic number, because the mean of its divisors is an integer number (10027499457).

Almost surely, 2^40010221313 is an apocalyptic number.

It is an amenable number.

40010221313 is a deficient number, since it is larger than the sum of its proper divisors (99776515).

40010221313 is an equidigital number, since it uses as much as digits as its factorization.

40010221313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99776514.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 40010221313 its reverse (31312201004), we get a palindrome (71322422317).

The spelling of 40010221313 in words is "forty billion, ten million, two hundred twenty-one thousand, three hundred thirteen".