40451496361 has 2 divisors, whose sum is σ = 40451496362. Its totient is φ = 40451496360.

The previous prime is 40451496347. The next prime is 40451496367. The reversal of 40451496361 is 16369415404.

40451496361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22510501225 + 17940995136 = 150035^2 + 133944^2 .

It is a cyclic number.

It is not a de Polignac number, because 40451496361 - 2⁵ = 40451496329 is a prime.

It is not a weakly prime, because it can be changed into another prime (40451496367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20225748180 + 20225748181.

It is an arithmetic number, because the mean of its divisors is an integer number (20225748181).

Almost surely, 2^40451496361 is an apocalyptic number.

It is an amenable number.

40451496361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40451496361 is an equidigital number, since it uses as much as digits as its factorization.

40451496361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 40451496361 in words is "forty billion, four hundred fifty-one million, four hundred ninety-six thousand, three hundred sixty-one".