2043400455 has 24 divisors (see below), whose sum is σ = 3561695280. Its totient is φ = 1083720960.

The previous prime is 2043400439. The next prime is 2043400553. The reversal of 2043400455 is 5540043402.

2043400455 is a `hidden beast` number, since 204 + 3 + 4 + 0 + 0 + 455 = 666.

It is not a de Polignac number, because 2043400455 - 2⁴ = 2043400439 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 118786 + ... + 134895.

It is an arithmetic number, because the mean of its divisors is an integer number (148403970).

Almost surely, 2^2043400455 is an apocalyptic number.

2043400455 is a deficient number, since it is larger than the sum of its proper divisors (1518294825).

2043400455 is a wasteful number, since it uses less digits than its factorization.

2043400455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253871 (or 253868 counting only the distinct ones).

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

The square root of 2043400455 is about 45203.9871582143. The cubic root of 2043400455 is about 1268.9694359306.

Adding to 2043400455 its reverse (5540043402), we get a palindrome (7583443857).

The spelling of 2043400455 in words is "two billion, forty-three million, four hundred thousand, four hundred fifty-five".