40263357053 has 2 divisors, whose sum is σ = 40263357054. Its totient is φ = 40263357052.

The previous prime is 40263357047. The next prime is 40263357109. The reversal of 40263357053 is 35075336204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39985201369 + 278155684 = 199963^2 + 16678^2 .

It is a cyclic number.

It is not a de Polignac number, because 40263357053 - 2¹² = 40263352957 is a prime.

It is a super-2 number, since 2×40263357053² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40263356998 and 40263357016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40263357853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20131678526 + 20131678527.

It is an arithmetic number, because the mean of its divisors is an integer number (20131678527).

Almost surely, 2^40263357053 is an apocalyptic number.

It is an amenable number.

40263357053 is a deficient number, since it is larger than the sum of its proper divisors (1).

40263357053 is an equidigital number, since it uses as much as digits as its factorization.

40263357053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 38.

The spelling of 40263357053 in words is "forty billion, two hundred sixty-three million, three hundred fifty-seven thousand, fifty-three".