40051004205313 has 4 divisors (see below), whose sum is σ = 40051058450260. Its totient is φ = 40050949960368.

The previous prime is 40051004205301. The next prime is 40051004205371. The reversal of 40051004205313 is 31350240015004.

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 39710074337649 + 340929867664 = 6301593^2 + 583892^2 .

It is a cyclic number.

It is not a de Polignac number, because 40051004205313 - 2¹⁷ = 40051004074241 is a prime.

It is a super-2 number, since 2×40051004205313² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40051004205013) 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, 25999470 + ... + 27496807.

It is an arithmetic number, because the mean of its divisors is an integer number (10012764612565).

Almost surely, 2^{40051004205313} is an apocalyptic number.

It is an amenable number.

40051004205313 is a deficient number, since it is larger than the sum of its proper divisors (54244947).

40051004205313 is an equidigital number, since it uses as much as digits as its factorization.

40051004205313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54244946.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 40051004205313 in words is "forty trillion, fifty-one billion, four million, two hundred five thousand, three hundred thirteen".