2405440053 has 6 divisors (see below), whose sum is σ = 3474524534. Its totient is φ = 1603626696.

The previous prime is 2405440043. The next prime is 2405440087. The reversal of 2405440053 is 3500445042.

It can be written as a sum of positive squares in only one way, i.e., 2188555524 + 216884529 = 46782^2 + 14727^2 .

It is not a de Polignac number, because 2405440053 - 2¹² = 2405435957 is a prime.

It is a super-2 number, since 2×2405440053² = 11572283697153285618, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2405439999 and 2405440026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405440043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133635550 + ... + 133635567.

Almost surely, 2^2405440053 is an apocalyptic number.

It is an amenable number.

2405440053 is a deficient number, since it is larger than the sum of its proper divisors (1069084481).

2405440053 is a wasteful number, since it uses less digits than its factorization.

2405440053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267271123 (or 267271120 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 2405440053 is about 49045.2857367556. The cubic root of 2405440053 is about 1339.8767342244.

Adding to 2405440053 its reverse (3500445042), we get a palindrome (5905885095).

The spelling of 2405440053 in words is "two billion, four hundred five million, four hundred forty thousand, fifty-three".