40242503501 has 2 divisors, whose sum is σ = 40242503502. Its totient is φ = 40242503500.

The previous prime is 40242503429. The next prime is 40242503531. The reversal of 40242503501 is 10530524204.

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., 40050015625 + 192487876 = 200125^2 + 13874^2 .

It is a cyclic number.

It is not a de Polignac number, because 40242503501 - 2³⁰ = 39168761677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40242503531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20121251750 + 20121251751.

It is an arithmetic number, because the mean of its divisors is an integer number (20121251751).

Almost surely, 2^40242503501 is an apocalyptic number.

It is an amenable number.

40242503501 is a deficient number, since it is larger than the sum of its proper divisors (1).

40242503501 is an equidigital number, since it uses as much as digits as its factorization.

40242503501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 40242503501 in words is "forty billion, two hundred forty-two million, five hundred three thousand, five hundred one".