40370801641 has 2 divisors, whose sum is σ = 40370801642. Its totient is φ = 40370801640.

The previous prime is 40370801633. The next prime is 40370801651. The reversal of 40370801641 is 14610807304.

It is a happy number.

40370801641 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., 40319033616 + 51768025 = 200796^2 + 7195^2 .

It is a cyclic number.

It is not a de Polignac number, because 40370801641 - 2³ = 40370801633 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40370801597 and 40370801606.

It is not a weakly prime, because it can be changed into another prime (40370801651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20185400820 + 20185400821.

It is an arithmetic number, because the mean of its divisors is an integer number (20185400821).

Almost surely, 2^40370801641 is an apocalyptic number.

It is an amenable number.

40370801641 is a deficient number, since it is larger than the sum of its proper divisors (1).

40370801641 is an equidigital number, since it uses as much as digits as its factorization.

40370801641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The spelling of 40370801641 in words is "forty billion, three hundred seventy million, eight hundred one thousand, six hundred forty-one".