40360451983 has 2 divisors, whose sum is σ = 40360451984. Its totient is φ = 40360451982.

The previous prime is 40360451981. The next prime is 40360452043. The reversal of 40360451983 is 38915406304.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40360451983 - 2¹ = 40360451981 is a prime.

It is a super-4 number, since 4×40360451983⁴ (a number of 44 digits) contains 4444 as substring.

Together with 40360451981, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40360451981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20180225991 + 20180225992.

It is an arithmetic number, because the mean of its divisors is an integer number (20180225992).

Almost surely, 2^40360451983 is an apocalyptic number.

40360451983 is a deficient number, since it is larger than the sum of its proper divisors (1).

40360451983 is an equidigital number, since it uses as much as digits as its factorization.

40360451983 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 40360451983 in words is "forty billion, three hundred sixty million, four hundred fifty-one thousand, nine hundred eighty-three".