40503025361 has 2 divisors, whose sum is σ = 40503025362. Its totient is φ = 40503025360.

The previous prime is 40503025337. The next prime is 40503025393. The reversal of 40503025361 is 16352030504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24236573761 + 16266451600 = 155681^2 + 127540^2 .

It is a cyclic number.

It is not a de Polignac number, because 40503025361 - 2¹⁴ = 40503008977 is a prime.

It is not a weakly prime, because it can be changed into another prime (40503025301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20251512680 + 20251512681.

It is an arithmetic number, because the mean of its divisors is an integer number (20251512681).

Almost surely, 2^40503025361 is an apocalyptic number.

It is an amenable number.

40503025361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40503025361 is an equidigital number, since it uses as much as digits as its factorization.

40503025361 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 40503025361 its reverse (16352030504), we get a palindrome (56855055865).

The spelling of 40503025361 in words is "forty billion, five hundred three million, twenty-five thousand, three hundred sixty-one".