40048849793 has 2 divisors, whose sum is σ = 40048849794. Its totient is φ = 40048849792.

The previous prime is 40048849741. The next prime is 40048849817. The reversal of 40048849793 is 39794884004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27684966544 + 12363883249 = 166388^2 + 111193^2 .

It is a cyclic number.

It is not a de Polignac number, because 40048849793 - 2¹⁶ = 40048784257 is a prime.

It is a super-2 number, since 2×40048849793² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40048849193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20024424896 + 20024424897.

It is an arithmetic number, because the mean of its divisors is an integer number (20024424897).

Almost surely, 2^40048849793 is an apocalyptic number.

It is an amenable number.

40048849793 is a deficient number, since it is larger than the sum of its proper divisors (1).

40048849793 is an equidigital number, since it uses as much as digits as its factorization.

40048849793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 40048849793 in words is "forty billion, forty-eight million, eight hundred forty-nine thousand, seven hundred ninety-three".