40368180251 has 16 divisors (see below), whose sum is σ = 47349803520. Its totient is φ = 33701849280.

The previous prime is 40368180247. The next prime is 40368180289. The reversal of 40368180251 is 15208186304.

It is a cyclic number.

It is not a de Polignac number, because 40368180251 - 2² = 40368180247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40368180221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441815 + ... + 525296.

It is an arithmetic number, because the mean of its divisors is an integer number (2959362720).

Almost surely, 2^40368180251 is an apocalyptic number.

40368180251 is a deficient number, since it is larger than the sum of its proper divisors (6981623269).

40368180251 is an equidigital number, since it uses as much as digits as its factorization.

40368180251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967274.

The product of its (nonzero) digits is 46080, while the sum is 38.

The spelling of 40368180251 in words is "forty billion, three hundred sixty-eight million, one hundred eighty thousand, two hundred fifty-one".