40825599361 has 2 divisors, whose sum is σ = 40825599362. Its totient is φ = 40825599360.

The previous prime is 40825599359. The next prime is 40825599371. The reversal of 40825599361 is 16399552804.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37287610000 + 3537989361 = 193100^2 + 59481^2 .

It is a cyclic number.

It is not a de Polignac number, because 40825599361 - 2¹ = 40825599359 is a prime.

Together with 40825599359, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 40825599299 and 40825599308.

It is not a weakly prime, because it can be changed into another prime (40825599341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20412799680 + 20412799681.

It is an arithmetic number, because the mean of its divisors is an integer number (20412799681).

Almost surely, 2^40825599361 is an apocalyptic number.

It is an amenable number.

40825599361 is a deficient number, since it is larger than the sum of its proper divisors (1).

40825599361 is an equidigital number, since it uses as much as digits as its factorization.

40825599361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 40825599361 in words is "forty billion, eight hundred twenty-five million, five hundred ninety-nine thousand, three hundred sixty-one".