40744000949 has 2 divisors, whose sum is σ = 40744000950. Its totient is φ = 40744000948.

The previous prime is 40744000937. The next prime is 40744000967. The reversal of 40744000949 is 94900044704.

40744000949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35485140625 + 5258860324 = 188375^2 + 72518^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40744000949 is a prime.

It is a super-2 number, since 2×40744000949² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20372000474 + 20372000475.

It is an arithmetic number, because the mean of its divisors is an integer number (20372000475).

Almost surely, 2^40744000949 is an apocalyptic number.

It is an amenable number.

40744000949 is a deficient number, since it is larger than the sum of its proper divisors (1).

40744000949 is an equidigital number, since it uses as much as digits as its factorization.

40744000949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The spelling of 40744000949 in words is "forty billion, seven hundred forty-four million, nine hundred forty-nine", and thus it is an aban number.