40244626249 has 2 divisors, whose sum is σ = 40244626250. Its totient is φ = 40244626248.

The previous prime is 40244626241. The next prime is 40244626283. The reversal of 40244626249 is 94262644204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35556759225 + 4687867024 = 188565^2 + 68468^2 .

It is a cyclic number.

It is not a de Polignac number, because 40244626249 - 2³ = 40244626241 is a prime.

It is not a weakly prime, because it can be changed into another prime (40244626241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20122313124 + 20122313125.

It is an arithmetic number, because the mean of its divisors is an integer number (20122313125).

Almost surely, 2^40244626249 is an apocalyptic number.

It is an amenable number.

40244626249 is a deficient number, since it is larger than the sum of its proper divisors (1).

40244626249 is an equidigital number, since it uses as much as digits as its factorization.

40244626249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 663552, while the sum is 43.

The spelling of 40244626249 in words is "forty billion, two hundred forty-four million, six hundred twenty-six thousand, two hundred forty-nine".