40245410641 has 2 divisors, whose sum is σ = 40245410642. Its totient is φ = 40245410640.

The previous prime is 40245410629. The next prime is 40245410783. The reversal of 40245410641 is 14601454204.

40245410641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24149160000 + 16096250641 = 155400^2 + 126871^2 .

It is a cyclic number.

It is not a de Polignac number, because 40245410641 - 2⁵ = 40245410609 is a prime.

It is a super-3 number, since 3×40245410641³ (a number of 33 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (40245410141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20122705320 + 20122705321.

It is an arithmetic number, because the mean of its divisors is an integer number (20122705321).

Almost surely, 2^40245410641 is an apocalyptic number.

It is an amenable number.

40245410641 is a deficient number, since it is larger than the sum of its proper divisors (1).

40245410641 is an equidigital number, since it uses as much as digits as its factorization.

40245410641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 40245410641 its reverse (14601454204), we get a palindrome (54846864845).

The spelling of 40245410641 in words is "forty billion, two hundred forty-five million, four hundred ten thousand, six hundred forty-one".