40402223053 has 2 divisors, whose sum is σ = 40402223054. Its totient is φ = 40402223052.

The previous prime is 40402222979. The next prime is 40402223063. The reversal of 40402223053 is 35032220404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40383715849 + 18507204 = 200957^2 + 4302^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40402223053 is a prime.

It is a super-3 number, since 3×40402223053³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40402223063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20201111526 + 20201111527.

It is an arithmetic number, because the mean of its divisors is an integer number (20201111527).

Almost surely, 2^40402223053 is an apocalyptic number.

It is an amenable number.

40402223053 is a deficient number, since it is larger than the sum of its proper divisors (1).

40402223053 is an equidigital number, since it uses as much as digits as its factorization.

40402223053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 25.

Adding to 40402223053 its reverse (35032220404), we get a palindrome (75434443457).

The spelling of 40402223053 in words is "forty billion, four hundred two million, two hundred twenty-three thousand, fifty-three".