40430460061 has 2 divisors, whose sum is σ = 40430460062. Its totient is φ = 40430460060.

The previous prime is 40430460053. The next prime is 40430460067. The reversal of 40430460061 is 16006403404.

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., 32057112025 + 8373348036 = 179045^2 + 91506^2 .

It is a cyclic number.

It is not a de Polignac number, because 40430460061 - 2³ = 40430460053 is a prime.

It is a super-2 number, since 2×40430460061² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40430460067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20215230030 + 20215230031.

It is an arithmetic number, because the mean of its divisors is an integer number (20215230031).

Almost surely, 2^40430460061 is an apocalyptic number.

It is an amenable number.

40430460061 is a deficient number, since it is larger than the sum of its proper divisors (1).

40430460061 is an equidigital number, since it uses as much as digits as its factorization.

40430460061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 40430460061 its reverse (16006403404), we get a palindrome (56436863465).

The spelling of 40430460061 in words is "forty billion, four hundred thirty million, four hundred sixty thousand, sixty-one".