40737340404749 has 2 divisors, whose sum is σ = 40737340404750. Its totient is φ = 40737340404748.

The previous prime is 40737340404703. The next prime is 40737340404763. The reversal of 40737340404749 is 94740404373704.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40416763626724 + 320576778025 = 6357418^2 + 566195^2 .

It is a cyclic number.

It is not a de Polignac number, because 40737340404749 - 2³² = 40733045437453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40737340404694 and 40737340404703.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40737340404049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20368670202374 + 20368670202375.

It is an arithmetic number, because the mean of its divisors is an integer number (20368670202375).

Almost surely, 2^{40737340404749} is an apocalyptic number.

It is an amenable number.

40737340404749 is a deficient number, since it is larger than the sum of its proper divisors (1).

40737340404749 is an equidigital number, since it uses as much as digits as its factorization.

40737340404749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28449792, while the sum is 56.

The spelling of 40737340404749 in words is "forty trillion, seven hundred thirty-seven billion, three hundred forty million, four hundred four thousand, seven hundred forty-nine".