40237281159949 has 2 divisors, whose sum is σ = 40237281159950. Its totient is φ = 40237281159948.

The previous prime is 40237281159931. The next prime is 40237281159973. The reversal of 40237281159949 is 94995118273204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37343318802724 + 2893962357225 = 6110918^2 + 1701165^2 .

It is a cyclic number.

It is not a de Polignac number, because 40237281159949 - 2⁹ = 40237281159437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40237281159749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20118640579974 + 20118640579975.

It is an arithmetic number, because the mean of its divisors is an integer number (20118640579975).

Almost surely, 2^{40237281159949} is an apocalyptic number.

It is an amenable number.

40237281159949 is a deficient number, since it is larger than the sum of its proper divisors (1).

40237281159949 is an equidigital number, since it uses as much as digits as its factorization.

40237281159949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 40237281159949 in words is "forty trillion, two hundred thirty-seven billion, two hundred eighty-one million, one hundred fifty-nine thousand, nine hundred forty-nine".